B. Mallikarjuna, N. Shivakumar, J. Devendrappa, V. Sheela, G. Bharamappa, and G. Halikatti, “Combining ability analysis for grain yield and its attributes in Rice (Oryza sativa L.)”, SAARC J Agric, vol. 12, no. 1, pp. 1–8, Dec. 2014.