Güiza-Castillo, L.-L., Pinzón-Sandoval, E.-H., Serrano-Cely, P.-A., Cely-Reyes, G.-E., & Serrano-Agudelo, P.-C. (2020). Estimation and correlation of chlorophyll and nitrogen contents in Psidium guajava L. with destructive and non-destructive methods. Revista Colombiana De Ciencias Hortícolas, 14(1), 26–31. https://doi.org/10.17584/rcch.2020v14i1.11341