Chaudhuri, Saurabh, and Indrani Das. “Pipul (<I>Piper longum< I> Linn.) - Ethnomedicinal Uses and Propagation in South Bengal”. Indian Forester, vol. 134, no. 8, Aug. 2008, pp. 1105-7, doi:10.36808/if/2008/v134i8/816.