Begum, Jaripa, Md Nazrul Islam Bhuiyan, and Jasim Uddin Chowdhury. “Essential Oil from Inflorescence of <i>Spilanthes calva< I> D.C”. Bangladesh Journal of Botany 37, no. 2 (December 19, 2008): 217–218. Accessed October 16, 2025. https://banglajol.info/index.php/BJB/article/view/1737.