Neukrug, Edward S. Theory, practice, and trends in human services : an introduction / Edward S. Neukrug - 6th ed. - Boston, MA : Cengage Learning, [2017] - xviii, 391 p. : ill. ; 25 cm. Includes bibliographical references and index ISBN: 9781305271494 (pbk.) Subjects--Topical Terms: Human services personnelHuman services