000 00617nam a2200169Ia 4500
008 190327s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a372.2410954
_bN377O
100 _aDave, P N (Ed.)
110 _aNational Council of Educational Research and Training (New Delhi)
245 0 _aOperations blackboard
_bessential facilities at the primary stage: norms and specification
_cP N Dave
260 _aNew Delhi
_bNCERT
_c1988
300 _ax, 66p.
650 _aBlackboards; Teaching-Aids and devices; Schools-Furniture, equipment, etc
700 _aGupta, Daljit (Ed.)
942 _cBKS
999 _c59339
_d59339