Ostonaqulov Dilshod Ismatilla o‘g’li. “ANIQMAS INTEGRAL VA UNING BA’ZI IQTISODIY TATBIQLARI”. Journal of new century innovations 34, no. 1 (August 7, 2023): 106–112. Accessed January 21, 2025. https://newjournal.org/new/article/view/8409.