Павлюх, Л. І. “Peculiarities of Logical and Methodological Approaches to the Qualifying Paper Development by Ecologist and Chemmytologist”. Proceedings of National Aviation University (archive) 55, no. 2 (May 29, 2013): 263–265. Accessed June 13, 2026. http://jrnl.kai.edu.ua/index.php/visnik/article/view/5483.