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Khan, N. A.; Ahmad , H.; Syed, . N. U. H. .; Ahmad, B. .; Khan, S. .; Ismail, H. . The Use of Fly Ash As a Cheap Filler Medium in Order to Cut the Production Cost of the Unplasticized Polyvinyl Chloride (rigid) Pipes, Though Maintaining the Strength and the Finishing Quality. UWJST 2024, 8, 1-13.