Riogilang, Hendra. “TANTANGAN MANADO MENUJU KOTA HIJAU”. JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI 2, no. 2 (January 26, 2016): 103–112. Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/lppmsains/article/view/10697.