Umariy , M. X. o‘g‘li. “SATH SIRTLARINI PARAMETRLASH MASALALARI (MATEMATIK IQTISODIY TALQIN)”. RESEARCH AND EDUCATION, vol. 3, no. 1, Jan. 2024, pp. 132-40, https://researchedu.org/index.php/re/article/view/6220.