Ringo, J and Beatrice, W and Mary, M and Deshpande, S P and Rathore, A and Mneney, E and Onkware, A and Gudu, S (2015) Combining ability of some sorghum lines for dry lands and sub-humid environments of East Africa. African Journal of Agricultural Research, 10 (19). pp. 2048-2060. ISSN 1991-637X