AE Hartemink. “THE INVASIVE SHRUB <em>PIPER</em> <em>ADUNCUM</Em> IN PAPUA NEW GUINEA: A REVIEW”. Journal of Tropical Forest Science (JTFS), vol. 22, no. 2, June 2022, pp. 202-13, https://jtfs.frim.gov.my/jtfs/article/view/919.