Affandi, Oding, Anita Zaitunah, and Ridwanti Batubara. “Potential Economic and Development Prospects of Non Timber Forest Products in Community Agroforestry Land Around Sibolangit Tourism Park”. Forest and Society 1, no. 1 (April 27, 2017): 68-77. Accessed September 16, 2021. https://journal.unhas.ac.id/index.php/fs/article/view/1096.