Pratum, T. and Lakpetch, P. 2026. The Influence of Entrepreneurial Characteristics, Entrepreneurial Orientation and Entrepreneurial Marketing on Organizational Effectiveness After the COVID-19 Crisis: A Study of Micro, Small, and Medium Enterprises (MSMEs) in the Catering Business in the Central Metropolitan Region. Journal of Management Science Chiangrai Rajabhat University. 21, 1 (Jun. 2026), 1–27.