Andika Utarini, and Harapan Tua RFS. “Penertiban Kawasan Taman Nasional Bukit Tiga Puluh Di Kabupaten Indragiri Hulu: Penelitian”. Jurnal Pengabdian Masyarakat dan Riset Pendidikan 4, no. 1 (July 27, 2025): 2473–2480. Accessed April 18, 2026. https://jerkin.org/index.php/jerkin/article/view/2005.