幽默,笑話 - 心理方面

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

幽默就是力量 [NT 59711] by: 特魯(True, Herb); 鄭慧玲 ([NT 1579] Language materials, printed)

幽默定律 [NT 59711] by: 彼得(Peter, Laurence J.); 劉君業; 德納(Dana, Bill) ([NT 1579] Language materials, printed)