Chen, L. and Ruckthum, V. 2025. Improve the Leadership Effectiveness of Middle Managers through Organizational Development Intervention in an International University in Heilongjiang Province . ABAC ODI JOURNAL Vision. Action. Outcome. 13, 1 (Aug. 2025), 110-129. DOI:https://doi.org/10.14456/abacodijournal.2025.24.