00296nam a2200121Ia 450000500170000000800410001704100080005808200170006610000170008324500270010026000380012730000090016520260720174553.0260720s2004    xx            000 0 und d  aeng  a371.333 DHAT  aDhand, Harry  aTechniques of teaching  aNew DelhibA P H Publishingc2004  a264p