Orhorhoro, E. K., Tamuno, R. I., & Chukwuedo, A. J. . (2023). Development of a variance model for the prediction of water absorption and thickness swelling for an experimental design pvc reinforced composite pipes. Applied Research and Smart Technology (ARSTech), 4(1), 16–24. https://doi.org/10.23917/arstech.v4i1.1435