@article{ojulong_labuschagne_herselman_fregene_2010,  title={Yield traits as selection indices in seedling populations of cassava},  volume={10},  ISSN={1984-7033},  url={https://doi.org/10.1590/S1984-70332010000300002},  DOI={10.1590/S1984-70332010000300002},  number={3},  journal={Crop Breeding and Applied Biotechnology},  publisher={Crop Breeding and Applied Biotechnology},  author={Ojulong, Henry Fred and Labuschagne, Maryke Tine and Herselman, Liezel and Fregene, Martin},  year={2010},  month={Sep},  pages={191–196} }