Chatterjee, Reshmi, Satadip Sarkar, and G. M. Narasimha Rao. “Pollen Morphology and Palynotaxonomical Studies of Common Garden Plants of Apocynaceae, In Kolkata, West Bengal, India”. International Journal of Environment 3, no. 4 (December 15, 2014): 109–116. Accessed November 24, 2024. https://nepjol.info./index.php/IJE/article/view/11735.