“SOURCES OF IONISING RADIATION AND THE NEGATIVE CONSEQUENCES OF RADIATION. TEACHING A PRACTICAL LESSON ON THE TOPIC OF THE EARTH’S NATURAL RADIATION BY THE «CLUSTER» METHOD OF PEDAGOGICAL TECHNOLOGIES IN MEDICAL HIGHER EDUCATION INSTITUTIONS”. Research Focus International Scientific Journal 2, no. 5 (June 5, 2023): 16–21. Accessed September 11, 2026. https://refocus.uz/index.php/rf/article/view/183.