M. Akram, S. A. Shah, E. Mohiuddin, A. Hannan, and K. Usmanghani, “Monograph of Withania somnifera (L.) Dunal”, Pak. J. Nutr., vol. 9, no. 11, pp. 1122–1123, Oct. 2010, doi: 10.3923/pjn.2010.1122.1123.