Sagala SWR, Purba H. ANALYSIS OF PURCHASE ACCOUNTING INFORMATION SYSTEM BY USING THE COBIT FRAMEWORK 4.1 AT PT. TELEKOMUNIKASI INDONESIA, TBK BANDUNG. isc [Internet]. 2016Oct.25 [cited 2024Apr.23];4(1):30. Available from: https://jurnal.unai.edu/index.php/isc/article/view/1731