00862cam a2200277 i 4500 34431 BD-RjUL 20211209052146.0 780209s1977 fr b i000 0 eng 9231014110 (BD-RjUL)34525 DLC DLC DLC BD-RjUL eng eng 371.25 UNG 1977 UNESCO 105051 Group techniques in education / UNESCO. Paris : Unesco ; [New York] : distributed by Unipub, 1977. 51 p. : Ill. ; 27 cm. Bibliography: p. 51. Group work in education. 104694 Educational studies and documents ; new ser., no. 24. 105053 ddc DOC 34431 34431 0 0 ddc 0 1 NFIC RUCL RUCL Doc/The 1987-08-23 Unesco 0.00 0 DOC 371.25 UNG 1977 2014-05-17 00:00:00 C-1 2021-12-09 DOC 0 0 ddc 0 0 NFIC RUCL RUCL Doc/The 1987-08-23 Unesco 0.00 0 DOC 371.25 UNG 1977 2014-05-17 00:00:00 C-2 2021-12-09 DOC