TY - BOOK TI - Evaluating social action projects: principles, methodological aspects, and selected examples T2 - Socio-economic studies SN - 9231018078 (pbk.) AV - H62 .E84 U1 - 361.6/1/072 19 PY - 1980/// CY - Paris PB - Unesco KW - Evaluation research (Social action programs) KW - Case studies N1 - "Corrigenda": leaf inserted; Includes bibliographies ER -