Shukurova O.P., and Barotov A.K. “TABIIY GAZNI QURITISH JARAYONINING MATEMATIK MODELINI ISHLAB CHIQISH”. Journal of new century innovations 16, no. 3 (November 10, 2022): 135–138. Accessed October 30, 2024. https://newjournal.org/new/article/view/830.