Tavbaev Sirozhiddin Akbutaevich, Alimov Narmurat Nasirovich Tagaev Khuzhamberdi, Igamberdiev Halmurat Kholmatovich 2020. Activation Of Cognitive Activities Of Students At Laboratory And Practical Lessons. International Journal of Advanced Science and Technology. 29, 08 (Jun. 2020), 3715-3719.