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cover of Tricks of Trade: How to Think about Your Research While You`re Doing It (98)

by Howard S. Becker

ISBN13: 978-0226041247
ISBN10: 0226041247

cover of Problem Solving (01)

by Permacharts

ISBN13: 978-1550805062
ISBN10: 1550805061

cover of Essential Study Skills (4TH 16)

by Tom Burns

ISBN13: 978-1473919020
ISBN10: 1473919029