Dionisius Andhika Putra, Rachmadhi Purwana and Dwi Nowo Martono 2023. Effect of Land Use within Watershed Boundary on the Types of Microplastics Observed in Surface Water . The International Journal of Science & Technoledge. 11, 3 (Apr. 2023). DOI:https://doi.org/10.24940/theijst/2023/v11/i3/ST2303-002.