SOOD, O. P., SOOD, V. K. and THAKUR, H. L. (2000) “COMBINING ABILITY AND HETEROSIS FOR SEED YIELD TRAITS INVOLVING NATURAL AND SYNTHETIC INDIAN MUSTARD (BRASSICA /UNCEA L. CZERN. and COSS.)”, INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, 60(04), pp. 561–563. doi: .