Шевченко, О.Б., and О.В. Тертишна. “Investigation of Natural Raw Materials and Eteryfikuyuchyh Agents on Parameters of Quality Biodiesel”. Proceedings of National Aviation University (archive) 38, no. 1 (January 1, 2009): 116–119. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/1675.