G. . Catari Yujra, M. A. Guzman-Moreno, M. . Hands, and M. . Reyes-Osornio, “Yield of Maize Alley Cropped with Inga Trees and Several Levels of Natural Fertilizers”, Rev. iberoam. bioecon. cambio clim., vol. 8, no. 15, pp. 1886–1897, Jun. 2022.