J. O. Kerubo, A. W. Muthumbi, J. M. Onyari, E. N. Kimani, and D. Robertson-Andersson, “Microplastic pollution in the surface waters of creeks along the Kenyan coast, Western Indian Ocean (WIO)”, WIO J. Mar. Sci., vol. 19, no. 2, pp. 75–88, Apr. 2021.