Rahman, Md Hafizur, Md Rafiqul Islam, FM Aminuzzaman, Abdul Latif, and Habibur Rahman. “Physio-Morphological Study of Betel Vine (Piper Betle L.) Cultivars Available in Bangladesh”. The Agriculturists 18, no. 1 (September 29, 2020): 56–65. Accessed November 30, 2021. https://www.banglajol.info/index.php/AGRIC/article/view/49459.