Inga Fernández, F., Beteta Alvarado, V., & Reategui-Inga, M. E. (2022). Sulfur dioxide (SO2) levels in the air of the city of Tingo María comparing two modified methods. Revista Científica Dékamu Agropec, 2(2), 18–27. https://doi.org/10.55996/dekamuagropec.v2i2.56