Sell, buy or rent David Royse textbooks

Program Evaluation: An Introduction to an Evidence-Based Approach

by Royse, David, Thyer, Bruce A., Padgett, Deborah K.
ISBN-13: 9781305101968
ISBN-10: 1305101960
Edition: 6
Publication date: 2015
Publisher: Cengage Learning
Format: Paperback 432 pages

Research Methods in Social Work

by Royse, David
ISBN-13: 9781516507184
ISBN-10: 1516507185
Edition: 7th ed.
Publication date: 2017
Publisher: Cognella Academic Publishing
Format: Paperback 528 pages