00638nam a2200181Ia 4500001000700000003000500007005001700012008004100029035002000070040002900090110005000119245006900169260002600238300001900264410003000283500008800313650005500401114255BIBL20160527183750.0790712s1956    fr            000 0 eng d  a(OCoLC)05164744  aXFMcXFMdm.c.dOCLdABC20aInternational Bureau of Education.wcn2Local10aTeaching of mathematics in secondary schoolsbcomparative study.0 aParisbUNESCOc[1956]  a249 p.c24 cm.21aItstPublicationvno. 172  aAt head of title: XIXth International Conference on Public Education, Geneva, 1956. 0aMathematicsxStudy and teaching (Secondary)2Local