Barrezueta Unda SA, Paz González A, Luna Romero Ángel E, Jaramillo Aguilar E. Variability of δ13C and δ15N in cocoa cultivars, in the province of El Oro, Ecuador. Terra Latinoam [Internet]. 2019 Apr. 15 [cited 2024 Jul. 16];37(2):131-40. Available from: https://terralatinoamericana.org.mx/index.php/terra/article/view/202