Seminario-Cunya, J., R. Villanueva-Guevara, and M. Valdez-Yopla. “Yield of Early Yellow Potato Cultivars (Solanum Tuberosum L.) of the Phureja Group”. Agronomía Mesoamericana, Vol. 29, no. 3, Sept. 2018, pp. 639-53, doi:10.15517/ma.v29i3.32623.