Boymirov Sherzod Tuxtaevich, Gayibnazarov Rozimurod Bakhtiyorovich, Axmedova Manzura Gulomjonovna, Berdikulova Shakhsanam Umaralievna and Saparova Gulmira Bakhtiyarovna 2022. Principles of Selection of Materials on the Problem Method of Teaching Physics in Secondary Schools. Texas Journal of Multidisciplinary Studies. 7, (Apr. 2022), 283–288.