Kosnazarov, S., & Kaipbergenov, A. (2019). UMUMTA’LIM MAKTABLARIDA KIMYOVIY TILNING AHAMIYATI VA VAZIFALAR USTUVORLIGI SIFATIDA. SCIENCE and SOCIETY, 4-1, 28-29. https://journal.ndpi.uz/ss/article/view/2019-4-1-012