[1]
Cortes Martínez F., Sánchez Cohen I., Betancourt Hernández J., and Ávila Garza C. M., “Calculation of payment of fees for wastewater discharge with pH variations”, Remexca, vol. 4, no. 2, pp. 299–305, May 2018, doi: 10.29312/remexca.v4i2.1249.