Umarov Azizjon Shavkat o'g'li. “DAVLAT STANDARTI ASOSIDA CHIZMALAR TAYYORLASH”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ 22, no. 9 (June 6, 2023): 119–122. Accessed June 26, 2025. https://newjournal.org/01/article/view/7249.