Born to talk : an introduction to speech and language development
Lloyd M.Hulit1993 年出版378 页ISBN：
AN INTRODUCATION TO THE STUDY OF EDUCATION AND TO TEACHING
ELLWOOD P.CUBBERLEY1925 年出版476 页ISBN：
Scarcity Challenged:an introduction to economics
HEINZ KOHLER1968 年出版660 页ISBN：
DERIVATIVES ESSENTIALS AN INTRODUCTION TO FORWARDS
FUTURES OPTIONS2016 年出版328 页ISBN：
BIOLOGICAL CHEMISTRY AN INTRODUCTION TO BIOCHEMISTRY
ALEXANDER GERO1952 年出版340 页ISBN：
