Xikmatov Sherzod Tuxtamurodovich. “TUPROQ GRUNTIDA SIZOT SUVINING KO‘TARILISHI”. Ustozlar uchun 14, no. 1 (February 5, 2023): 249–252. Accessed September 20, 2024. http://pedagoglar.uz/index.php/01/article/view/2968.