Tillekaratne, H. I.; Werellagama, D. R. I. B.; Siriwardana, C.; Karunarathne, A. Y.; Sugeeshwara, S. P. C.; Wanninayake, S. B.; Madduma-Bandara, C. M.; Bandara, T. W. M. T. W. Standard Operating Procedures (SOP) towards Effective Flood Response and Environmental Management in Kelani and Deduruoya River Basins, Sri Lanka. jhews 2025, 1, 13-35.