กังขาว ส. and เลาหะเพ็ญแสง จ. 2017. MASTER PLAN DEVELOPMENT ON CREATIVE TOURISM STRATEGY FOR SPECIALIZED MONUMENTAL AREAS OF HISTORICAL DISTRICTS-SUKHOTHAI, SI SATCHANALAI, AND KAMPHAENGPHET. Journal of Industrial Education. 16, 1 (Apr. 2017), 50–57.