“STRATEGI PENGELOLAAN TAMAN HUTAN RAYA SULTAN SYARIF HASYIM PEKANBARU”. Jurnal Ilmiah Pertanian 10, no. 2 (February 1, 2013): 56–67. Accessed December 1, 2025. https://journal.unilak.ac.id/index.php/jip/article/view/1343.