Tiara MS, Septiyanti R. Perancangan Sistem Informasi Helpdesk Operator Personal Assitance (OPA) PAMA Pada PT. Pamapersada Nusantara Distrik MTBU. prosainteks [Internet]. 2023Nov.30 [cited 2026Aug.22];1(1):47 - 56. Available from: https://sainteks.seminars.id/prosainteks/article/view/34