Sagala, Sri Widianingsih Rauli, and Heddry Purba. 2016. “ANALYSIS OF PURCHASE ACCOUNTING INFORMATION SYSTEM BY USING THE COBIT FRAMEWORK 4.1 AT PT. TELEKOMUNIKASI INDONESIA, TBK BANDUNG”. 11th International Scholars Conference 4 (1):30. https://doi.org/10.35974/isc.v4i1.1731.