Optical Methods Based on Ultraviolet, Visible, and Near-Infrared Spectra to Estimate Fat and Protein in Raw Milk: A Review. - Abraham Gastélum-Barrios; Genaro M. Soto-Zarazúa; Axel Escamilla-García; Manuel Toledano-Ayala; Gonzalo Macias-Bobadilla; Daniel Jáuregui-Vázquez (Sensors, 2020)