Nursafitri, Umy. “Prevalence of Pneumonia in Histopathological Images of the Lungs of Sacrificial Cows (Bos Sp.) in the Lampung Region in 2019”. ISEJ : Indonesian Science Education Journal 5, no. 1 (January 18, 2024): 32-40. Accessed August 21, 2025. https://www.siducat.org/index.php/isej/article/view/1752.