[1] Gulum M., Bilgin A. Measurement and Prediction of Density and Viscosity of Different Diesel-Vegetable Oil Binary Blends. <em>Environmental and Climate Technologies</em> 2019:23(1):214–218. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.2478/rtuect-2019-0014" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.2478/rtuect-2019-0014</a>">https://doi.org/10.2478/rtuect-2019-0014</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.2478/rtuect-2019-0014" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.2478/rtuect-2019-0014</a></dgdoi:pub-id>
[3] Dufey A. Biofuels production, trade and sustainable development: emerging issues. London: International Institute for Environment and Development, 2006:2.
[5] Singh S. P., Singh D. Biodiesel production through the use of different sources and characterization of oils and their esters as the substitute of diesel: A review. <em>Renewable and Sustainable Energy Reviews</em> 2010:14(1):200–216. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/j.rser.2009.07.017" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/j.rser.2009.07.017</a>">https://doi.org/10.1016/j.rser.2009.07.017</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.rser.2009.07.017" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.rser.2009.07.017</a></dgdoi:pub-id>
[7] Musa I. A. The effects of alcohol to oil molar ratios and the type of alcohol on biodiesel production using transesterification process. <em>Egyptian Journal of Petroleum</em> 2016:25(1):21–31. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/j.ejpe.2015.06.007" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/j.ejpe.2015.06.007</a>">https://doi.org/10.1016/j.ejpe.2015.06.007</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.ejpe.2015.06.007" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.ejpe.2015.06.007</a></dgdoi:pub-id>
[9] Lam M. K., Lee K. T. Production of biodiesel using palm oil. Biofuels. Elsevier Inc., 2011:353–374.<dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/B978-0-12-385099-7.00016-4" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/B978-0-12-385099-7.00016-4</a></dgdoi:pub-id>
[10] AlSharifi M., Znad H. Development of a lithium based chicken bone (Li-Cb) composite as an efficient catalyst for biodiesel production. Renew. <em>Energy</em> 2019:136:856–864. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/j.renene.2019.01.052" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/j.renene.2019.01.052</a>">https://doi.org/10.1016/j.renene.2019.01.052</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.renene.2019.01.052" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.renene.2019.01.052</a></dgdoi:pub-id>
[12] Azam M. M., Waris A., Nahar N. M. Prospects and potential of fatty acid methyl esters of some non-traditional seed oils for use as biodiesel in India. <em>Biomass and Bioenergy</em> 2005:29(4):293–302. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/j.biombioe.2005.05.001" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/j.biombioe.2005.05.001</a>">https://doi.org/10.1016/j.biombioe.2005.05.001</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.biombioe.2005.05.001" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.biombioe.2005.05.001</a></dgdoi:pub-id>
[13] Nautiyal P., Subramanian K. A., Dastidar M. G. Production and characterization of biodiesel from algae. <em>Fuel Process. Technol</em>. 2014:120:79–88. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/j.fuproc.2013.12.003" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/j.fuproc.2013.12.003</a>">https://doi.org/10.1016/j.fuproc.2013.12.003</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/j.fuproc.2013.12.003" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/j.fuproc.2013.12.003</a></dgdoi:pub-id>
[16] Kusdiana D., Saka S. Effects of water on biodiesel fuel production by supercritical methanol treatment. <em>Bioresour. Technol</em>. 2004:91(3):289–295. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.1016/S0960-8524(03)00201-3" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.1016/S0960-8524(03)00201-3</a>">https://doi.org/10.1016/S0960-8524(03)00201-3</ext-link><dgdoi:pub-id xmlns:dgdoi="http://degruyter.com/resources/doi-from-crossref" pub-id-type="doi"><a href="https://doi.org/10.1016/S0960-8524(03)00201-3" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">10.1016/S0960-8524(03)00201-3</a></dgdoi:pub-id>
[17] Udoh J. E., <em>et al.</em> Effect of Moisture Content on the Mechanical and Oil Properties of Soursop Seeds. <em>Chemical Engineering Transactions</em> 2017:58:361–366. <ext-link ext-link-type="uri" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="<a href="https://doi.org/10.3303/CET1758061" target="_blank" rel="noopener noreferrer" class="text-signal-blue hover:underline">https://doi.org/10.3303/CET1758061</a>">https://doi.org/10.3303/CET1758061</ext-link>