M. D. Hossain, B. K. Paul, S. umar Roy, G. C. Saha, F. Begum, and D. Huq, “Studies on Fatty Acids Composition and Some Valuable Nutrients of Piper nigrum Linn. (Gol Morich)”, Dhaka Univ. J. Sci., vol. 62, no. 2, pp. 65–68, Feb. 2015.