“EKOLOGIK TOZA OZIQ-OVQAT ISHLAB CHIQARISHDA SERTIFIKATLASH TIZIMLARI: MUAMMOLAR VA ULARNI BARTARAF ETISH YO’LLARI”. Modern education and development 27, no. 4 (June 8, 2025): 152–160. Accessed March 25, 2026. https://scientific-jl.com/mod/article/view/19226.