Alhikami, Waliyyul Ahdi, et al. “Estimation of Ripitability, MPPA, Livestock Ranking and The Relationship of Morning and Afternoon Milk Production in The Second and Fourth Lactation”. Bioscientist : Jurnal Ilmiah Biologi, vol. 12, no. 2, July 2024, pp. 1601-10, doi:10.33394/bioscientist.v12i2.12367.