Mamasidiqov, Baxodir Qobuljon o’g’li. “Iqtisodiy mаsаlаlаrni Yechishdа differensiаl Hisob usullаridаn foydаlаnish”. Science and Education 4, no. 10 (October 30, 2023): 432–435. Accessed April 4, 2025. https://openscience.uz/index.php/sciedu/article/view/6372.