Sujarwo, W., Linsky, J. dan Thomson, L. (2020) “Developing Conservation Horticulture and Conserving Threatened Hibiscus Species in the Asia-Pacific Islands Region”, Igya ser hanjop: Jurnal Pembangunan Berkelanjutan, 2(2), hlm. 125-134. doi: 10.47039/ish.2.2020.125-134.