2. Commission notice on the implementation of food safety management systems covering prerequisite programs (PRPs) and procedures based on the HACCP principles, including the facilitation/flexibility of the implementation in certain food businesses. Official Journal of the European Union. 2016. Available from: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.C_.2016.278.01.0001.01.ENG&toc=OJ:C:2016:278:FULL
5. Enikova R. [Microbiological criteria for process hygiene. Significance for risk assessment.] Sofia: EFSA Bulgarian National Focal Point; 2011. Bulgarian.
6. Enikova R. EU Regulations 2073/2005 and 1441/2007 on microbiological criteria for food products. Guidelines for practical application. Center for Coordination and Support of Food Safety Control Training, Ed. NCPHA, 2008:41
7. British Standards Institute Staff, British Standards Institution. Food safety management systems. Requirements for any organization in the food chain. BS EN ISO 22000 : 2005.
8. [Ordinance № 1 of 26 January 2016 on food hygiene, In force since 05.02.2016.] Issued by the Minister of Health and the Minister of Agriculture and Food, Prom. DV. issue 10 of 5 February 2016, add. DV. issue 51 of June 19, 2018. Bulgarian.
9. Mollov P, Sapundzhieva T, Enikova R, Velchev Z. [Manual for food safety management in fruit and vegetable processing. Union of fruit and vegetable processors]. Sofia: Publishing House “HVP”; 2007, Bulgarian.
13. [Branch standard 01/2011 “Lyutenitsa”], 2011. Available from: https://www.bfsa.bg/userfiles/files/Standarti-za-hrana/liutenica/BS%20Lyutenica.pdf. Bulgarian.
15. BDS 1035-89. Canned meat, meat and vegetable, fish and other animal products. Rules for taking samples for probes and methods for production. Sofia: Committee for Quality of the Ministerial Meeting;1989. Bulgarian.