Avianti, Fransisca Natalia, dkk. “Status Kelestarian Habitat Di Taman Nasional Bukit Tigapuluh ”. Jurnal Penelitian Hutan Dan Konservasi Alam, vol. 20, no. 1, Desember 2023, hlm. 61-80, https://ejournal.aptklhi.org/index.php/JPHKA/article/view/80.