Sara, U., Azhar, M., Aryawiguna, M.I., Musarianto, M. and Risanta, M.I. 2025. Effect of Activated Carbon from Coconut Shells on Ammonia Concentration in Laying Hen Manure. JURNAL ILMIAH PETERNAKAN TERPADU. 13, 2 (Jul. 2025), 449–461. DOI:https://doi.org/10.23960/jipt.v13i2.p449-461.