Komarudin, N.A., Tarigan, E.B., Shafiyuddin Hilmi, Y. and Velasco, A.B. 2022. Exposure to Ammonia Concentration from the Processing of Crumb Rubber on Environmental Quality: A Review. Asia Pacific Journal of Sustainable Agriculture, Food and Energy. 10, 1 (May 2022), 22-27. DOI:https://doi.org/10.36782/apjsafe.v10i1.127.