Хакимов, К. Ж., and Д. А. ў. Ёрматов. “ҚАЛМОҚҚИР КОНИ OКСИДЛАНГАН 9-УЮМДАГИ РУДА НАМУНАСИНИНГ КИМЁВИЙ ТАРКИБИНИ ЎРГАНИШ”. Innovative Development in Educational Activities, vol. 2, no. 5, Mar. 2023, pp. 253-8, https://openidea.uz/index.php/idea/article/view/829.