00309nam a2200121Ia 450000500170000000800410001704100080005808200170006610000170008324500370010026000410013730000090017820260720174622.0260720s2006    xx            000 0 und d  aeng  a371.333 KOCM  aKochhar, S K  aMethods & techniques of teaching  aNew DelhibSterling Publishersc2006  a364p