TY - BOOK TI - Program evaluation : alternative approaches and practical guidelines 3rd ed AU - Worthen, Blaine R. AU - Sanders, James R. AU - Fitzpatrick, Jody L. SN - 0321077067 PB - Allyn and Bacon PP - Boston : Allyn and Bacon, c2004. PY - 2004 UR - https://library.korea.ac.kr/detail/?cid=CAT000000871661&ctype=m