Aman, H., Doost, Z. H., Hejran, A. W., Mehr, A. D., Szczepanek, R., & Gilja, G. (2024). Survey on The Challenges for Achieving SDG 6: Clean Water and Sanitation: A Global Insight. Knowledge-Based Engineering and Sciences, 5(3), 21–42. https://doi.org/10.51526/kbes.2024.5.3.21-42