Hā chīwaprawat nai thatsanā Sō̜. Siwarak.
Edition: Tīphim khrang rǣk.
Publisher: Mūnnithi Kōmon Khīmthō̜ng; Sưksit Sayām čhatčhamnāi
Published: 1980
Place of publication: Krung Thēp
Language: tha
Number of pages: 203
Subjects: Social reformers -- Thailand -- Biography.
Notes: In Thai.