Sharma, S., and H. D. Upadhyaya. “Interspecific Hybridization to Introduce Useful Genetic Variability for Pigeonpea Improvement”. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, vol. 76, no. 04, Nov. 2016, pp. 496-03, doi:10.5958/0975-6906.2016.00067.5.