Nematovich, R. A. ., and S. A. J. . o‘g‘li. “IQTISODIY MASALALARNI YECHISHDA KO’P OMILLI KORRELYASION-REGRESSION TAHLIL VA GETEROSKEDATLIKNI ANIQLASH”. INTEGRATION OF SCIENCE, EDUCATION AND PRACTICE. SCIENTIFIC-METHODICAL JOURNAL, vol. 3, no. 7, Sept. 2022, pp. 61-66, https://bilig.academiascience.org/index.php/isepsmj/article/view/921.