http://repository.ou.ac.lk/handle/94ousl/3433 2026-05-16T00:48:12Z 2026-05-16T00:48:12Z Kumara, Duwage Samitha Dasun Yoganathan, Thavalakshman Thanihaichelvan, Tharsika http://repository.ou.ac.lk/handle/94ousl/3499 2025-09-24T09:37:09Z 2025-01-01T00:00:00Z

Design and Fabrication of Sustainable Flat Washers Using Textile Fabric Waste Kumara, Duwage Samitha Dasun; Yoganathan, Thavalakshman; Thanihaichelvan, Tharsika

2025-01-01T00:00:00Z Ranaweera, M.S.K. Karthika, K. Niruparan, S. Vithanage, M. Athapattu, B.C.L. http://repository.ou.ac.lk/handle/94ousl/3498 2025-09-24T09:35:00Z 2025-01-01T00:00:00Z

Unrefined Montmorillonite Nanoclay-Cinnamon Wood Biochar Composite for Simultaneous Removal of Hardness and Fluoride in Groundwater Ranaweera, M.S.K.; Karthika, K.; Niruparan, S.; Vithanage, M.; Athapattu, B.C.L.

2025-01-01T00:00:00Z Karunanayake, K.M.I.P.B. Andradi, D.M.A.N.D. Weerabangsa, M.Z. Athapattu, B.C.L. http://repository.ou.ac.lk/handle/94ousl/3497 2025-09-24T09:33:03Z 2025-01-01T00:00:00Z

Design a Retro-Reflective Eco-Friendly Clay Rooftile to Reduce the Urban Heat Island (UHI) Effect Karunanayake, K.M.I.P.B.; Andradi, D.M.A.N.D.; Weerabangsa, M.Z.; Athapattu, B.C.L.

2025-01-01T00:00:00Z Chaminie, Rajila Sivaperumaan, Himanujahn Fonseka, Sewwandi Athapattu, Bandunee http://repository.ou.ac.lk/handle/94ousl/3496 2025-09-24T09:31:10Z 2025-01-01T00:00:00Z

Solidified Water Treatment Sludge as Potential Supplementary Cementious Material in Pervious Concrete Pavers for Mitigating Heat Island Effect Chaminie, Rajila; Sivaperumaan, Himanujahn; Fonseka, Sewwandi; Athapattu, Bandunee

2025-01-01T00:00:00Z