Friedman, Bruce D., 1952- The research tool kit : putting it all together / Bruce D. Friedman. - 2nd ed. - Belmont, CA : Thomson Brooks/Cole, 2006. - xiii, 112 p. : ill. ; 28 cm. Includes bibliographical references (p. 111-112). ISBN: 053440703X RM130.37 Subjects--Topical Terms: Social service--Research--Methodology.