Essa , K. S. M., El Saied , S. I. M., Wheida , A. A., & El-Nazer , M. (2024). Studying the Effect of the Instantaneous and Continuous Pollutants Sources on the Advection-diffusion Equation and Its Applications. Iraqi Journal of Science, 65(2), 1117-1128. https://doi.org/10.24996/ijs.2024.65.2.41