Marcillo-Paguay, Carlos Alberto, et al. “Agronomic and Economic Responses of the Potato (Solanum Tuberosum Subsp. Andigena) to Differential Fertilization in Four Environments in Nariño, Colombia”. Revista Colombiana De Ciencias Hortícolas, vol. 16, no. 2, May 2022, p. e13559, doi:10.17584/rcch.2022v16i2.13559.