Perez-Somarriba, E. B., and G.M. Hernandez-Fernandez. “Effect of Planting Densities on the Phenological-Productive Development of Corn Crop (Zea Mays) in Biointensive Beds”. Rev. iberoam. bioecon. cambio clim. 8, no. 15 (June 13, 2022): 1876–1885. Accessed December 7, 2025. https://camjol.info/index.php/RIBCC/article/view/14332.