M. A. Baki, G. Sadik, K. S. H. Mondal, M. A. Mosaddik, and M. M. Rahman, “Methylkarranjic acid and Pongamol from <i>Derris indica</i> Seeds and their Antibacterial Activity”, Dhaka Univ. J. Pharm. Sci, vol. 6, no. 1, pp. 9–13, Aug. 2007.