Trio Muhamad Sanjaya and Khusnul Khotimah 2026. Web-Based Internship Information System at SMK Nusantara 1 Kotabumi Using the Waterfall Method Approach. International Journal of Health Engineering and Technology. 4, 5 (Jan. 2026). DOI:https://doi.org/10.55227/ijhet.v4i5.533.