Akarapotiwong, P. THE STUDY OF THE COMMUNITIES COLLABORATIVE PROCESS IN CREATIVE TOURISM COMMUNITIES MANAGEMENT AROUND THE WORLD HERITAGE CORRIDOR BY APPLYING THE SOCIAL NETWORK CONCEPT, CASE STUDY; NAKORNCHUM, KAMPHAENGPHET PROVINCE; BAN COOK PHATTHANA AND THUNG LUANG, SUKHOTHAI PROVINCE. J. IND. EDUC. 2019, 18, 101-113.