An information systems study on the clearing of PBX trouble complaints by the Makati repair test dispatch department of the Philippine Long Distance Telephone Company - Embuscado, Cesar K. (Diliman, Quezon City College of Engineering, 1990)
IE 253
Feasibility study
Submitted in partial fulfillment of the course requirements in IE 253 : Information Systems I.
Keywords: Philippine Long Distance Telephone Company (PLDT); Information systems