The program evaluation standards : a guide for evaluators and evaluation users / Donald B. Yarbrough [et al.] ; Joint Committee on Standards for Educational Evaluation. 3rd ed.

    Thousand Oaks [etc.] : SAGE, cop. 2011. XLVII, 334 s. ; 26 cm.
    ISBN 978-1-4129-8656-4 (cloth)     ISBN 978-1-4129-8908-4 (pbk.)

   
T.16158        UKD: 37.091.26:37.091.3::005.336.1:37.014.61]=111