海爾‧葛瑞格森(Hal Gregersen)

Overview

Works:	2 works in 1 publications in 1 languages

Titles

五個技巧，簡單學創新 by: 傑夫‧戴爾(Jeff Dyer); 海爾‧葛瑞格森(Hal Gregersen); 李芳齡譯 (Language materials, printed)