TY - BOOK AU - Royse,David D. TI - Program evaluation: an introduction SN - 0534508278 (pbk.) AV - HV91 .R76 2006 U1 - 361/.0068/4 22 PY - 2006/// CY - Belmont, CA PB - Thomson Brooks/Cole KW - Human services KW - United States KW - Evaluation N1 - Includes bibliographical references and index ER -