THE INFLUENCE OF SERVICE QUALITY AND PRODUCT VARIATION ON INDIHOME SERVICE PURCHASE DECISION AT PT TELKOM INDONESIA WITEL RIAU DARATAN PEKANBARU By: Hanatasia Isora Abelia Email : [email protected] Supervisor : Dr. Meyzi Heriyanto, S.Sos, M.Si Business Administration Study Program, Department of Administrative Science Faculty of Social and Political Sciences, University of Riau, Pekanbar…