IZZATULLAYEV I.X. BIOGAZ QURILMASIDA AJRALGAN CHIQINDIDAN O’G’IT SIFATIDA VA OZUQAVIY MAQSADLARDA FOYDALANISH USULLARINI RIVOJLANGAN DAVLATLAR TAJRIBASI MISOLIDA O’RGANISH. Research Focus International Scientific Journal, [S. l.], v. 4, n. 4, p. 17–21, 2025. Disponível em: https://refocus.uz/index.php/1/article/view/1543. Acesso em: 21 dec. 2025.