Halimi, Maisarah, and Zaiton Mat Isa. “Advection-Diffusion Equation With Spatially Dependent Coefficients for Instantaneous Pollutant Injection in a River”. Frontiers in Water and Environment 5, no. 1 (December 31, 2024): 1–10. Accessed May 2, 2025. https://www.akademiabaru.com/submit/index.php/fwe/article/view/5583.