Kezia, Yudha Pratesa, Tio Angger Pertama, and Johny Wahyuadi Soedarsono. 2025. “Study of the Effect of Volume of Moringa Leaves and Purple Sweet Potato Extracts As a Green Corrosion Inhibitor on the Corrosion of API 5L Steel Metals in 0.2 M HCl Environments”. Recent in Engineering Science and Technology 3 (04):36-48. https://doi.org/10.59511/riestech.v3i04.120.