N. M. AKPAN, P. E. OGBONNA, V. N. ONYIA, E. C. OKECHUKWU, I.- obong I. DOMINIC, and A. I. ATUGWU, “Genetic Control and Heterosis of Quantitative Traits in Several Local Eggplant Genotypes”, Not Sci Biol, vol. 9, no. 4, pp. 520–524, Dec. 2017.