Gunadi, D., R. Rukmiasih, and W. Manalu. “The Potential Uses of Curcumin and PMSG Hormones to Increase Egg Production of Muscovy Ducks through Increasing Estradiol Concentrations and Shortening Laying Rest Period”. ANIMAL PRODUCTION, Vol. 23, no. 2, July 2021, pp. 84-94, doi:10.20884/1.jap.2021.23.2.98.