樂觀主義

Overview

Works:	3 works in 3 publications in 3 languages

Titles

打破莫非定律 by: (Language materials, printed)

失控的正向思考 by: (Language materials, printed)

正向思考不是你想的那樣 : 讓你動力滿滿、務實逐夢的動機新科學 by: (Language materials, printed)

Subjects

快樂

自信

動機