G. S. S. Khattak, I. Saeed, S. Ahmad, M. Ibrar, and M. Mansoor, “World’s first black-seeded high yielding mungbean [Vigna radiata (L.) Wilczek] varieties ‘NIFA Sikaram-21 and NIFA Spinghar-21’”, Int. J. Appl. Exp. Biol., vol. 1, no. 2, pp. 67–73, Mar. 2022.