A. M. M. Al-Naggar, R. Shabana, M. S. Hassanein, T. A. Elewa, A. S. M. Younis & A. M. A. Metwally. (2017). The Effect of Increasing Plant Density on Performance and Heterobeltiosis in Maize Testcrosses among 23 Inbreds and Three Testers. Archives of Current Research International, 8(4), 1–14. https://doi.org/10.9734/ACRI/2017/35509