Serrano Pérez, Angel C. “Yield of Sweet Pepper (Capsicum Annuum) Cultivars in Northwestern Puerto Rico”. The Journal of Agriculture of the University of Puerto Rico 61, no. 1 (January 1, 1977): 90–99. Accessed July 17, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10483.