00991nam--2200349---450-99000132975020331620050930121718.0000132975USA01000132975(ALEPH)000132975USA0100013297520040102d1960----km-y0itay0103----bafreFR||||||||001yyPedagogie de la cooperation scolaireGeorges PrevotParisPress. Univ. de France1960148 p.19 cm20012001001-------2001PREVOT,Georges396599ITsalbcISBD990001329750203316II.4. 2267(VI-C-1046)18599 L.M.VI-CBKUMASIAV71020040102USA011417PATRY9020040406USA011734COPAT39020050930USA011217Pédagogie de la coopération scolaire276875UNISA