Xian zai zhe yang jiu hen hao bu zi bei, bu zi ze, shun jian ti sheng zi wo ken ding gan de 15 ge fang fa - Ōshima, Nobuyori; Yang, Yuyi. (Xinbei Shi : Feng shu fang wen hua, 2019)
Electronic reproduction.
Keywords: Assertiveness (Psychology); Conduct of life