S. Martina, Y. H. J. Saragih, and R. Makumulloh, “Market Reaction to The Announcement of Energy Asset Integration: An Event Study of PT Chandra Asri Pacific Tbk (TPIA) Shares”, JIA, vol. 8, no. 1, pp. 217 – 228, May 2026, doi: 10.36985/pg9b2297.