Semiun, Chatarina Gradict, and Eufrasia R. A Lengur. 2018. “The Profile of Riparian Tree Grown in the Area of Water Springs in Kupang, Nusa Tenggara Timur Province Indonesia”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 42 (5):75-83. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9547.