Shokri-Sangari, F., H. Atashi, M. Dadpasand, and F. Saghanejad. “Genetic Parameters for Milk Yield and Lactation Persistency in the Three First Parities of Iranian Holstein Cows”. Revista Colombiana De Ciencias Pecuarias, vol. 32, no. 2, May 2019, pp. 100-6, doi:10.17533/udea.rccp.v32n2a03.