MOHD AMRAN, NURMASITAH, et al. “Mapping the Distribution of the in Nepenthes Malaysia Using Geographical Information System (GIS)”. Enhanced Knowledge in Sciences and Technology, vol. 4, no. 2, Dec. 2024, pp. 687-9, https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/14416.