Saparov, Z.B., and S.N. Kalbaev. “FUNKCIYALÍQ TEŃLEMELERDI SHESHIWDIŃ GEYPARA USÍLLARÍ”. ILIM hám JÁMIYET, no. 4-1 (September 10, 2019): 19–20. Accessed August 8, 2026. https://journal.ndpi.uz/ss/article/view/2019-4-1-007.