Ollaberganov Qudratbek Zokir o’g’li. “OQOVA SUVLARINI TARKIBINI O’RGANISH VA TOZALASH USULLARI”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ 15, no. 7 (February 19, 2023): 184–187. Accessed October 30, 2024. https://newjournal.org/01/article/view/3735.