000 00527nam a22001931i 4500
003 OSt
005 20251030150642.0
008 161224u u
040 _cTRA
041 _aeng
082 _a371.3
100 _aTripathi, Virendra
245 _aPreparation of problem-oriented learning materials
260 _aNew Delhi
_bIndian adult education association
_c1976
300 _ap. 111
_eIncludes bibliography
653 _aEducation;Teaching, aid and devices
700 _aSingh, V. N.
942 _cBK
999 _c421
_d421