Pai tāi ʻao dāp nā
By: Prathūan Wannit, Songkhun Čhanthačhō̜n
Edition: Phim khrang rǣk.
Publisher: Khana Watthammasāt, Mahāwitthayālai Mahā Sārakhām
Published: 2011
Place of publication: Mahā Sārakhām
Language: tha
Number of pages: 197
Description: On quality and ways of life of Thai labors.
Notes: In Thai.