Silvaliandra Sihombing, Vivin, Endang Karlina, R. Garsetiasih, Anita Rianti, and Reny Sawitri. 2022. “ENVIRONMENT CARRYING CAPACITY OF ECOTOURISM IN AEK NAULI RESEARCH FOREST, SIMALUNGUN REGENCY, NORTH SUMATERA”. Indonesian Journal of Forestry Research 9 (2):147-63. https://doi.org/10.59465/ijfr.2022.9.2.147-163.