Habibullayev , D., Aripdjanova , D., & Tuychiyev , I. (2020). GAZLAMALARNING SHAKL HOSIL QILISH XUSUSIYATLARI. ILM-FAN VA INNOVATSION RIVOJLANISH, 3(4), 185–192. Retrieved from https://ilm-fan-journal.csti.uz/index.php/journal/article/view/213