Poplavskis, Jānis, and Jānis Dzerviniks. “Acquisition of Physics in Secondary School in Context of Bionics”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 30, 2015): 296–309. Accessed November 24, 2024. https://journals.ru.lv/index.php/SIE/article/view/542.