Suwannarit Wongcha-um และ Donald Ellsmore. (2011) Approach to Managing the Cultural Heritage Values of Suansunandha - A Model for Sustainable Tourism. Silpakorn University:ม.ป.ท.Suwannarit Wongcha-um และ Donald Ellsmore. 2011. Approach to Managing the Cultural Heritage Values of Suansunandha - A Model for Sustainable Tourism. ม.ป.ท.:Silpakorn University;Suwannarit Wongcha-um และ Donald Ellsmore. Approach to Managing the Cultural Heritage Values of Suansunandha - A Model for Sustainable Tourism. ม.ป.ท.:Silpakorn University, 2011. Print.