Alemán, Freddy, y Lars Anderssson. «Effects of Preceding Crop and Weed Control Method on Weeds and Common Bean (Phaseoulus Vulgaris L.) Yield in a No-Tillage Cropping System». La Calera 4, no. 4 (noviembre 30, 2004): 10–17. Accedido abril 20, 2024. https://lacalera.una.edu.ni/index.php/CALERA/article/view/33.