00429nam a2200181Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001700096100001200113245004000125260004500165300000900210650001400219700001400233OSt20251014154850.0250729s2005    xx            000 0 und d  a978-8171692231  cAL  aeng  a371.333 RAOU  aRao V K  aUnderstanding teaching and learning  aNew DelhibCommonwealth Publishersc2005  a338p  aEducation  aReddy R S