(1)
Mulyono, S.; Kaswoto, J.; Rahmiyanti, S.; Octasylva, A. R. P.; Prasetyo, F. M.; Sudarmanto, E. The Influence of Transaction Costs and Opportunistic Behavior on MSME Sustainability through Operational Efficiency in Indonesia. Econ. entrep. 2026, 4, 380 – 392.