Rāingān kānwičhai rư̄ang : kānsưksā panhā sangkhom læ sāthāranasuk khō̜ng khonngān kō̜sāng nai Phāk Nư̄a, Phō̜.Sō̜. 2537-2538
Subtitle: kānsưksā chœ̄ng parimān
By: ʻAphinan ʻArāmrat, Phongthēp Wiwatthanadēt, Kannikā Banthœ̄ngčhit : kānsưksā nī dairap thun sanapsanun dōi Sathāban Wičhai Rabop Sāthāranasuk, Krasūang Sāthāranasuk.
Publisher: s.n.
Published: 1900
Place of publication: [Chīang Mai?
Language: tha
Number of pages: 76
Description: Research report on hygiene and social problem of construction workers in the North.
Notes: In Thai.