Torres Nava, D., . E. Sandoval Castro, J. J. Peña-Cabriales, and J. A. . Vera-Núñez. “Contribution of Nitrogen from Chicken Manure to Broccoli Crop (Brassica Oleracea L.)”. Revista De La Facultad De Ciencias Agrarias Uncuyo, vol. 49, no. 2, Dec. 2017, pp. 105-16, https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3045.