Siaska, Inna. “THE METHODOLOGY FORMING OF ECOLOGICAL COMPETENCY OF FUTURE TEACHERS OF NATURAL SCIENCES DURING VOCATIONAL TRAINING”. Scientific Journal of Polonia University 38, no. 1-1 (October 5, 2020): 208-217. Accessed April 30, 2024. http://pnap.ap.edu.pl/index.php/pnap/article/view/446.