|   | by: Ronald C. Martella · J. Ron Nelson · Robert L. Morgan · Nancy E. Marchand-MartellaPaperback details (United States). details (UK). details (Germany). details (Canada). ISBN: 978-1-4625-0962-1 ISBN-10: 1-4625-0962-2 The Guilford Press · 2013 | 
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| 2013 | Hardcover | Understanding and Interpreting Educational Research |