“ANALISIS DAN PERANCANGAN SISTEM TICKETING MANAGEMENT SERVICE OPERATION PADA PT TELKOM INDONESIA MENGGUNAKAN METODE WEIGHTED PRODUCT”. JURNAL ILMIAH INFORMATIKA 8, no. 02 (September 26, 2020): 81–90. Accessed October 18, 2026. https://ejournal.upbatam.ac.id/index.php/jif/article/view/1863.