Harahap, D., C. Nasution, S. Putri, and B. Purba. “Analisis Peran Bursa Karbon Dalam Mendukung Implementasi Certified Emission Reduction (CER) Di Indonesia”. Jurnal Ilmiah Wahana Pendidikan, Vol. 12, no. 9.B, Sept. 2026, pp. 72-82, https://www.jurnal.peneliti.net/index.php/JIWP/article/view/14847.