1997 - A Practical Guide to Behavioral Research Tools and Techniques (Paperback) → Paperback, Hardcover ISBN-13: 9780195104196 ISBN-10: 0195104196 Genres: Health, Fitness & Dieting, Nonfiction, Science & Math, Medicine, Medical Books ? 1991 - A Practical Guide to Behavioral Research Tools and Techniques (Paperback) → Paperback, Hardcover ISBN-13: 9780195067132 ISBN-10: 0195067134 Genres: Health, Fitness & Dieting, Nonfiction, Science & Math ? |