Soegiharto, Soegiharto. “What Drive the Damage to Post-Merger Operating Performance?”. Gadjah Mada International Journal of Business 12, no. 2 (May 12, 2010): 257 -287. Accessed November 6, 2024. https://dev.journal.ugm.ac.id/v3/gamaijb/article/view/15274.