Microplastics in sediment from Skudai and Tebrau river, Malaysia: a preliminary studyShazani Sarijan, Shamila Azman, Mohd Ismid Mohd Said, Yusrina Andu and Nur Farhan ZonMATEC Web Conf., 250 (2018) 06012DOI: https://doi.org/10.1051/matecconf/201825006012