Rāingān sathānakān khunnaphāp singwǣtlō̜m pī 2550, phāk thī 9, Lumnam Khōng
Subtitle: Lœ̄i, ʻUdō̜n Thānī, Nō̜ng Khāi, Sakon Nakhō̜n, Nakhō̜n Phanom
Publisher: Samnakngān Singwǣtlō̜m Phāk thī 9 ʻUdō̜n Thānī, Krasūang Sapphayākō̜n Thammachāt læ Singwǣtlō̜m
Published: 2008
Place of publication: Udō̜n Thānī
Language: tha
Number of pages: 92
Description: Reports on environmental conditions of Loei, Udon Thani, Nong Khai, Sakon Nakhon, and Nakhon Phanom Provinces of Norteastern Thailand, 2007.
Notes: Cover title.

In Thai.