Raharjo, Stefanus. “Sirkular Sejak Dalam Pikiran”. STANDAR: Better Standard Better Living 1, no. 5 (September 30, 2022): 25–28. Diakses Mei 18, 2024. https://majalah.bsilhk.menlhk.go.id/index.php/STANDAR/article/view/57.