Sudirman, Sudirman. “Pengaruh Metode Perkawinan Terhadap Keberhasilan Kebuntingan Sapi Donggala Di Kabupaten Sigi”. Mitra Sains 4, no. 3 (July 30, 2016): 22-27. Accessed March 14, 2025. http://195285.jxltd.asia/index.php/MitraSains/article/view/239.