Innovations for large classes :
Valérien, Jean.
Innovations for large classes : a guide for teachers and administrators / Jean Valérien. - Paris : UNESCO, 1991. - 77 p. ; il. - Educational studies and documents, new series ; 56. .
9231027131
371.5 =20 VAL No.56
Innovations for large classes : a guide for teachers and administrators / Jean Valérien. - Paris : UNESCO, 1991. - 77 p. ; il. - Educational studies and documents, new series ; 56. .
9231027131
371.5 =20 VAL No.56