00494nam a2200157Ia 450000500170000000800410001708200150005810000180007324500720009126000320016330000080019565000250020394200070022899900170023595200840025220240814120936.0240813s9999||||xx |||||||||||||| ||und||  a372.83 NAY  aNayar, Devaki 0aAs Assessment of vocabulary difficulty in social studies text books  aNew DelhibN.C.E.R.T.c1966  a77p  aElementary education  cBK  c19992d19992  00104070aLDDbLDDd2024-08-14l0p21106r2024-08-14 12:09:36w2024-08-14yBK