Singh, D P, and I.P.S Ahlawat. “Greengram (Vigna Radiata) and Blackgram (V. Mungo) Improvement in India : Past, Present and Future Prospects”. The Indian Journal of Agricultural Sciences, vol. 75, no. 5, May 2005, https://epubs.icar.org.in/index.php/IJAgS/article/view/9346.