Supangkat, Sudiatmoko. “Analisis Hubungan Sistem Manajemen Lingkungan (SML) ISO 14001 Dengan Perilaku Peduli Lingkungan ”. Journal of Character and Environment 1, no. 1 (July 31, 2023). Accessed October 18, 2024. https://journal-iasssf.com/index.php/JOCAE/article/view/252.