Tajaddodchelik, A., O. Torun, and Y. . Ergün. “The Effects of Controlled Internal Drug Release for Different Days on the Reproductive Performance of Out of Mating Season Sheep”. Journal of Agriculture, Food, Environment and Animal Sciences, vol. 1, no. 1, Dec. 2020, pp. 28-38, https://jafeas.com/index.php/j1/article/view/6.