H.R. Ong, W.M.E. Iskandar, M.A.B. Yunos, M.F.M. Zaki, M.M.R. Khan, C.S. Hong, M.S.A. Maarof, N.F. Ismail, Investigation on the Mechanical and Water Absorption Properties of Eco-Friendly Bricks Produced from Waste Polypropylene (PP) Bumper, Chemical Engineering Transactions. 106 (2023) 1339-1344. doi:10.3303/CET23106224.