THAKUR, H.L. and ZARGER, M.A. 1989. HETEROSIS IN RELATION TO GENETIC DIVERGENCE AND SPECIFIC COMBINING ABILITY IN INDIAN MUSTARD,.BRASSICA JUNCEA L. CZERN. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING. 49, 02 (May 1989), 223–226. DOI:https://doi.org/.