Ahmad, Victor Imaduddin. “MANAJEMEN SISTEM LINGKUNGAN SEKOLAH ADIWIYATA MANDIRI (Studi Kasus Di SMA Negeri I Lamongan)”. KUTTAB 1, no. 1 (January 28, 2017). Accessed October 30, 2025. https://journalfai.unisla.ac.id/index.php/kuttab/article/view/51.