00294nam a2200109Ia 450000500170000000800410001708200180005810000220007624500470009826000300014530000090017520260205062640.0260111s9999||||xx |||||||||||||| ||und||  a370.15  Sh25G  aSingh, Shatrughan 0aGuidebook on educational psychology theory  aNew DelhibKanishkac2012  a79p.