Hidayat, B., and E. Rizkianto. “Measuring Economic Value Added (EVA), Synergy Value, & MSMEs Upgrade Post-Acquisition: A Case Study of Ultra-Micro Holding in Indonesia”. Management Analysis Journal, Vol. 12, no. 3, Oct. 2023, pp. 310-21, doi:10.15294/maj.v12i3.68968.