一分鐘推銷秘訣 /
by:
強生 ((Johnson, Spencer)); 陳怡蓁; 魏爾生 ((Wilson, Larry))
(Language materials, printed)
一分鐘推銷秘訣 /
by:
威爾遜 ((Wilson, Larry) ); 強生 ((Johnson, Spencer)); 陳怡蓁
(Language materials, printed)
給自己一分鐘
by:
張晴惠; 強生 ((Johnson, Spencer))
(Language materials, printed)
