00481nam a2200121Ia 4500008004100000041000900041082001500050100006400065245017000129260003000299300001600329650001400345171129s9999||||xx |||||||||||||| ||und||  aeng.  a371.1bDIR  aDirectorate Of Extension Programmes For Secondary Education 0aStudies in internal assessment procedures and promotion policies of some selected schools of Indiac/ by  Directorate Of Extension Programmes For Secondary Education  aNew Delhi :bNCERT,c1963  a99p.; 21cm.  aEducation