Presence of microplastics in estuarine environment: a case study from Kavvayi and Kumbla backwaters of Malabar Coast, Kerala, India AV Padmachandran, N Sreethu, F Nasrin, M Muthuchamy, A Muthukumar Environmental Science and Pollution Research 31 (29), 41342-41354, 2024 | 9 | 2024 |