Dimas Afrizal, Silvia Qurrotul Ain Salsabila, Jefri Setia Puput Tri, and M Adamu Islam Mashuri. 2025. “Development of a Web-Based PKL-Hub Management Information System Using the Waterfall Method”. Journal of Applied Informatics Research 1 (2):22-31. https://doi.org/10.26740/jair.v1i2.50097.