GEOMETRY IN EASY STEPS:AN INFORMAL APPROACH
PHILIP L.COX1983 年出版504 页ISBN：0205075738
TOWARD SUSTAINABLE DEVELOPMENT:AN ECOLOGICAL ECONOMICS APPROACH
PHILIP A.LAWN2001 年出版462 页ISBN：1566704111
COPING WITH LIFE CRISES AN INTEGRATED APPROACH
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MACHINE DESIGN AN INTEGRATED APPROACH FIFTH EDITION
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An Artificial Intelligence Approach to Legal Reasoning
Anne von der Lieth Gardner1987 年出版225 页ISBN：
INTERMEDIATE ALGEBRA AN APPLIED APPROACH 4TH EDITION
1995 年出版622 页ISBN：039570832X
INTRODUCTORY ALGEBRA AN APPLIED APPROACH THIRD EDITION
RICHARD N.AUFMANN VERNON C.BARKER1991 年出版478 页ISBN：0395431913
Design of highway bridges an LRFD approach
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MATHEMATICS FOR ELEMENTARY TEACHERS:AN ACTIVITY APPROACH
ALBERT B.BENNETT L.TED NELSON2004 年出版308 页ISBN：0072533072
