Utama, C.S., Sulistiyanto, B. and Mustofa, A. 2021. The Effect of Altitude on Broiler’s Litter Microbical Quality that Cultivated at Closed House. JURNAL ILMIAH PETERNAKAN TERPADU. 9, 2 (Jul. 2021), 139–151. DOI:https://doi.org/10.23960/jipt.v9i2.p139-151.