Fithriani Husnul Khotimah, NIM.: 05730026  (2010) PERAN PUBLIC RELATIONS DALAM CORPORATE SOCIAL RESPONSIBILITY (STUDI DESKRIPTIF KUALITATIF AKTIFITAS UNIT CONSUMER SERVICE TELKOM AREA YOGYAKARTA DALAM MENJALANKAN BROADBAND LEARNING CENTER).  Skripsi thesis, UIN SUNAN KALIJAGA YOGYAKARTA.