Sidauruk, Anastasya Jesica, Juan Sebastian Sirait, and Sardo Sipayung. “Penerapan Normalisasi Data Pada Angkatan Kerja Indonesia Bulan Februari 2025 Berdasarkan Kelompok Umur”. JDMIS: Journal of Data Mining and Information Systems 4, no. 1 (February 28, 2026): 33–39. Accessed April 17, 2026. https://journal.yp3a.org/index.php/jdmis/article/view/7023.