000 00382nam a2200145Ia 4500
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040 _e181898
_aMAIN
041 _aEnglish
082 _a374.4 S23D
100 _aSharma, Madhulika
245 0 _aDistance education: Concepts and principles
260 _aNew Delhi
_bKanishak Publishers
_c2006
300 _axi,348 p.
942 _cBK
999 _c158370
_d158370