Dœ̄ thō̜p sīkhret
Subtitle: khwamlap sū khwāmsamret
By: Som Sučhīrā
Edition: Phim khrang thī 17.
Publisher: ʻAmarin
Published: 2009
Place of publication: Krung Thēp
Language: tha
ISBN-13: 9789740481003
Other titles: Top secret
Description: Thoughts and ways of thinking for success and happiness.
Notes: Description based on: v. 2, published in 2009.

In Thai.