เพ็ชรบูรณ์ เ. and พรหมสุวรรณ ส., “The Study of Personal Characteristics, Transformation Leadership and Organization Culture Affecting the Effectiveness of Operating Officers: A Case Study of Sathon, Bangkok”, J. Mange. Sci. CRRU, vol. 10, no. 1, pp. 45–65, May 2018.