Suretno, Nandari Dyah, Bagus Purwanto, Rudy Priyanto, and Iman Supriyatna. 2016. “Physiological Status of Four Breed Cattles on Some Different Altitudes in Lampung Province”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 26 (1):384-94. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5412.