Ashabulah A, Widhyaestoeti D, Jaenudin J. SISTEM INFORMASI LAPORAN PEKERJAAN PROACTIVE MAINTENANCE TANGIBLE BERBASIS ANDROID STUDI KASUS PT TELKOM AREA UBIS KEDUNGHALANG. JITTER [Internet]. 2021 Jan. 1 [cited 2026 Jun. 4];7(1):19-27. Available from: https://journal.widyatama.ac.id/index.php/jitter/article/view/487