RAMÍREZ ORTA, M. A.; ROSERO GUERRA, G. K.; CASTILLO PARRA, B. F.; TRUJILLO VILLACIS, J. V. Design, construction and automation of a milk skimmer for feeding in holstein mestizo calves . ConcienciaDigital, v. 3, n. 3, p. 275-292, 18 Jul. 2020.