N. H. Fahim and T. A. Imbabi, “Comparison between the Brix Refractometer and ELISA for Assessment of Colostrum IgG of Montbeliard x Holstein Cross Dairy Cows”, Trop. Anim. Sci. J., vol. 44, no. 3, pp. 356–362, Aug. 2021, doi: 10.5398/tasj.2021.44.3.356.