Ningrum, Dea Kusuma, Mohammad Dimas Ardiansyah, Rizky Tri Aji Setiawan, Alya Maytsa Ismawardi, and Anindo Saka Fitri. 2025. “Designing the 112 Call Centre Service System in Sidoarjo Regency Using the Object-Oriented Analysis and Design (OOAD) Method”. Journal of Artificial Intelligence and Engineering Applications (JAIEA) 4 (2):1064-73. https://doi.org/10.59934/jaiea.v4i2.811.