“Distribution of Ferns at Different Heights in Gunung Raya Protected Forest, West Kalimantan”. BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan 12, no. 2 (September 28, 2024): 238–249. Accessed July 5, 2025. https://jurnal.ar-raniry.ac.id/index.php/biotik/article/view/25239.