00372nam a2200157Ia 4500003000400000005001700004008004100021040000700062041000800069082001600077100001400093245004900107260003700156300000900193650001200202OSt20260216150046.0250729s2017    xx            000 0 und d  cAL  aeng  a370.25 PAUE  aDr.S.Paul  aEffective methods of teaching social studies  aNew DelhibA P D Publisherc2017  a227p  aHistory