DIVERSITY OF FERNS (PTERIDOPHYTA) WITH DIFFERENT VEGETATION IN FOREST AREAS BUKUM VILLAGE, SIBOLANGIT SUB-DISTRICT. Biotik [Internet]. 2025 Sep. 23 [cited 2025 Oct. 25];11(2):147-58. Available from: https://jurnal.ar-raniry.ac.id/index.php/biotik/article/view/19348