1) Prof Dr. Tanet = Background of the book series

2) Assoc Prof Dr. Chaiyan (Fac of Pol Scn, Phayao University) = History of Decentralization in Thailand: Principles and Comparison of Thailand and neighboring countries in ASEAN

3) Mrs. Premrudee (Mayor of Pitsanulok Municipality) ( Experience sharing on Pitsanulok Municipality