Authors
Leonora Haliti Rudhani
University of Applied Sciences Ferizaj,, Ferizaj, Kosovo
Albulena Mustafa
University of Prishtina,, Prishtina, Kosovo
© 2017 Leonora Haliti Rudhani, Hysen Ismajli, Albulena Mustafa, published by Riga Technical University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.