Usmonov , K. M., and U. R. o‘g‘li Tishliqov. “JINSLARNING MODDIY TARKIBINI PETROGRAFIK TADQIQOTLAR YORDAMIDA O‘RGANISH”. INTERNATIONAL СONFERENCE ON LEARNING AND TEACHING, vol. 1, no. 7, May 2022, pp. 316-8, https://researchedu.org/index.php/iclt/article/view/2406.