Sierra, Mauro, Fidel Marquez, Roberto Valdivia, Octavio Cano, and Flavio A. Rodríguez. “General and specífic Combining Ability for Tropical Lines of Corn Using Testers”. Agronomía Mesoamericana 11, no. 1 (January 1, 2006): 103–112. Accessed April 27, 2024. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/17359.