Munir, A.M.S. et al. 2026. Spatial and Temporal Distribution of Microplastics in Water and Surface Sediments Along the Jawi River–Kakap Estuary, West Kalimantan, Indonesia. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management). 16, 5 (Sep. 2026), 629. DOI:https://doi.org/10.29244/jpsl.16.5.629.