Sukarman, Sukarman. “Optimization Strategy of Implementation Fundamental Duty, Function and Authority Forest Ranger”. Jurnal Sylva Lestari 6, no. 3 (October 2, 2018): 103–111. Accessed May 7, 2024. https://sylvalestari.fp.unila.ac.id/index.php/JHT/article/view/333.