Xin tai de li liang : Wei xiao shi yi zhong tai du, sheng huo shi yi zhong xuan ze = The power of mentality : Smiling is an attitude, life is a choice - He, Quanfeng; Ye, Ding Xin (Kuala Lumpur : Seashore Publishing (M) Sdn. Bhd., 2022)
Keywords: Self-actualization (Psychology); Conduct of life; Happiness