Izzatullayev I.X. 2025. “BIOGAZ QURILMASIDA AJRALGAN CHIQINDIDAN O’G’IT SIFATIDA VA OZUQAVIY MAQSADLARDA FOYDALANISH USULLARINI RIVOJLANGAN DAVLATLAR TAJRIBASI MISOLIDA O’RGANISH”. Research Focus International Scientific Journal 4 (4):17-21. https://doi.org/10.66073/10.66073.