Ref ID:	24479
Ref Type:	Book Section
Authors:	Romsonthi, Chatchai
Title:	Geography and general environment of Pa Sak River Valley
Date:	1997
Source:	The archaeology of Pa Sak River Valley
Place of Publication:	Bangkok
Publisher:	Fine Arts Department
Language:	Thai
Date Created:	7/10/2002
Editors:	Daeng-iet, Sod Yukongdi, Pakpadee
Page Start:	8
Page End:	15