Firdaus Hudaya, M.; Tri Widayati, D.; Prasetyo Widyobroto, B.; Tri Noviandi, C. Feed Composition Analysis and Reproductive Status of Dairy Cows Raised in Yogyakart. IJET 2018, 7 (2.29), 457-459. https://doi.org/10.14419/ijet.v7i2.29.13798.