Moreno-Pérez, Esaú del C. “Effects of Susbtrate Volume and Levels of N-P-K on the Growth of Cucumber Seedlings”. REVISTA TERRA LATINOAMERICANA, vol. 29, no. 1, Mar. 2011, pp. 57-63, https://terralatinoamericana.org.mx/index.php/terra/article/view/1203.