Shavelson, Richard J. Evaluation of Nonformal Education Programs: the Applicability and Utility of the Criterion-Sampling Approach - Hamburg: Unesco institute for Education, 1985. - xv,160p. 21 cm ISBN: 9282010376 Subjects--Topical Terms: Nonformal EducationD.A. Perera Collection Dewey Class. No.: 374 / SHA