Social Research Methods Third Edition
Maggie Walter2013 年出版416 页ISBN:9780195520170
Social Research Methods Third Edition
Alan Bryman2008 年出版748 页ISBN:9780199202959
FUNDAMENTALS OF CHEMISTRY FOURTH EDITION
FRANK BRESCIA,JOHN ARENTS,HERBERT MEISLICH,AMOS TURK2222 年出版782 页ISBN:0121323927