Jamroensap, O., Thakham, C., Wongngoen, S., Naewsoong, P., Sriyeesoon, B., Yamsiri, P., Puangphaiboon, P., Klangphahol, K., Jirojphan, W., Sri-iam, C. and Faisong, S. 2026. Guidelines for School Management to Promote Community Participation in Developing Vocational Skills of Secondary Students in Opportunity Expansion Schools under Saraburi Primary Educational Service Area Office 1. Education journal Faculty of Education, Nakhon Sawan Rajabhat University . 9, 3 (Sep. 2026), 30–40. DOI:https://doi.org/10.2774.EDU2026.3.285890.