Chuquirima Espinoza, S. E. ., Betancourt Gonzaga, V. A. ., & Chávez Cruz, R. B. . (2022). Analysis of the costs of banana production during the Covid-19 pandemic, province of El Oro, period 2020. Revista Metropolitana De Ciencias Aplicadas, 5(1), 120-126. https://doi.org/10.62452/yp2ece20