“Pengembangan Booklet Tumbuhan Paku di Taman Hutan Raya Sultan Thaha Syaifuddin Sebagai Bahan Pengayaan Mata Kuliah Taksonomi Tumbuhan : The Development of Booklet on the Subject Matter of Ferns (Pteridophytes) from the Sultan Thaha Syaifuddin’s Forest Park as Enrichment Material of Plant Taxonomy Course” (2020) BIODIK, 6(1), pp. 58-75. doi: 10.22437/bio.v6i1.8642.