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100 1 _aAggarwal, J. C.
245 1 0 _aPrinciples, methods and techniques of teaching.
250 _aSecond revised edition.
260 _aNew Delhi :
_bVikas Publishing House,
_c2001.
300 _a427p.
504 _aIncludes an index.
650 0 _aTeaching.
908 _a070719
999 _c5504
_d5504