Supranee Pongvuthitham. (2007) Evaluation of interpretation : outcomes for children at Ayutthaya Historic City. Silpakorn University,:ม.ป.ท.Supranee Pongvuthitham. 2007. Evaluation of interpretation : outcomes for children at Ayutthaya Historic City. ม.ป.ท.:Silpakorn University,;Supranee Pongvuthitham. Evaluation of interpretation : outcomes for children at Ayutthaya Historic City. ม.ป.ท.:Silpakorn University, 2007. Print.