กังขาว ส. and เลาหะเพ็ญแสง จ., “MASTER PLAN DEVELOPMENT ON CREATIVE TOURISM STRATEGY FOR SPECIALIZED MONUMENTAL AREAS OF HISTORICAL DISTRICTS-SUKHOTHAI, SI SATCHANALAI, AND KAMPHAENGPHET”, J. IND. EDUC., vol. 16, no. 1, pp. 50–57, Apr. 2017.