na YOGYA-02090000042316 20150420134158.0 ind 0010-020900000042316 384.05 RQ 384.05 Ann ANNUAL report 1993 witel Vi Telkom [Semarang] Telkom 1993 31 hlm ilus 29 cm Telekomunikasi - Laporan TELKOM YOPDYOG 23413-PD/A.07