Durmishi, B.H., Durmishi, A., Reka, A.A. and Shabani, A. 2023. Application of mathematical models for predicting the trihalomethanes content in drinking water in the city of Kumanova, North Macedonia. International Journal of Advanced Natural Sciences and Engineering Researches. 7, 4 (May 2023), 269–278. DOI:https://doi.org/10.59287/ijanser.715.