Hasibuan, Nurhayani, Samsuri, and Alfan Gunawan Ahmad. 2019. “Analysis The Degree of Community Participation Possibility on Restoration Planning for Lowland Forest Landscape of Lepan Watershed - Langkat District”. Journal of Sylva Indonesiana 2 (02):47-61. https://doi.org/10.32734/jsi.v2i02.988.