Puspita Barus, Sriyanti, dan Wanda Kuswanda. “NILAI EKONOMI JASA LINGKUNGAN HUTAN MANGROVE DI SUAKA MARGASATWA KARANG GADING, SUMATERA UTARA ”. Jurnal Penelitian Hutan dan Konservasi Alam 13, no. 1 (Juni 30, 2016): 29–41. Diakses April 19, 2026. https://ejournal.aptklhi.org/index.php/JPHKA/article/view/706.