Cubas Diaz , Erles, y Guevara Bercera Emerson. 2026. «Evaluation of the Production Costs of Solanum Tuberosum in the Association of Small Farmers of Chucmar Alto, Tacabamba, Chota». Revista Ciencia Nor@ndina 8 (2):1-13. https://doi.org/10.37518/2663-6360X2025v8n2p4.