Shrestha, Suraj, Nibedita Chaudhary, Rajkumari Sah, and Neera Malakar. 2020. “Analysis of Piperine in Black Pepper by High Performance Liquid Chromatography”. Journal of Nepal Chemical Society 41 (1), 80-86. https://doi.org/10.3126/jncs.v41i1.30492.