00394nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001700096100001400113245003100127260003800158300000900196650001900205OSt20250916123339.0250729s2005    xx            000 0 und d  a978-8176487238  cAL  aeng  a371.333 SINT  aSingh Y K  aTeaching of social studies  aNew DelhibA P H Publishingc2005  a296p  aSocial Studies