“STATUS DAN PERUBAHAN INDIKATOR VITALITAS HUTAN KONSERVASI TAMAN HUTAN RAYA WAN ABDUL RACHMAN: Status and Changes of Forest Vitality Indicators in Forest Conservation Taman Hutan Raya Wan Abdul Rachman” (2021) PERENNIAL, 17(1), hlm. 12–18. doi:10.24259/perennial.v17i1.11711.