N. Harpah

Microplastic pollution in Deli River Medan

R. Leonardo, M. Faisal, P. Ageng, 2021 .

Initial characteristic result of microplastic on river sediments in Medan city

I. Suryati, A. Husin, N. Harpah, 2023, THE 4TH TALENTA CONFERENCE ON ENGINEERING, SCIENCE AND TECHNOLOGY (CEST)-2021: Sustainable Infrastructure and Industry in the New Normal Era.