Occurrence and spatial distribution of microplastics in the coastal water and sediments from Sundarbans mangrove forest, Bangladesh / Md. Obaydur Rahman Azam. [MS Thesis] Azam, Md. Obaydur Rahman. 668.4 AZO Includes bibliographical references. Dhaka : University of Dhaka, 2022. 2022. 2022 Text xiii, 115 p. : eng