L. S. L. Chua (2000) “THE POLLINATION BIOLOGY AND BREEDING SYSTEM OF <em>NEPENTHES</em> <em>MACFARLANEI</em> (NEPENTHACEAE)”, Journal of Tropical Forest Science (JTFS) , 12(4), pp. 635–642. Available at: https://jtfs.frim.gov.my/jtfs/article/view/1457 (Accessed: 30 April 2024).