P. S. REDDY, D. M. RAO, B. V. S. REDDY, R. P. THAKUR, and A. A. KUMAR, “Agronomic potential of A4(M) cytoplasmic male-sterility system compared to A1 CMS system of sorghum (Sorghum bicolor)”, Indian J Agri Sci, vol. 81, no. 10, Oct. 2011, doi: 10.56093/ijas.v81i10.11242.