Сидорова Л, Кацнельсон Е, Балаева-Тихомирова О. BIOCHEMICAL STUDIES ON THE NATURAL OBJECTS IN THE ORGANIZATION OF CHEMICAL EXPERIMENT AT SCHOOL. SWJ [Internet]. 2021May31 [cited 2024May3];5(08-05):77-85. Available from: https://www.sworldjournal.com/index.php/swj/article/view/swj08-05-057