00302nam a2200121Ia 450000500170000000800410001704100080005808200150006610000150008124500390009626000360013530000090017120260720174620.0260720s2004    xx            000 0 und d  aeng  a930.7 SINT  aSingh, Y K  aTeaching of history-modern methods  aNew DelhibAPH Publishersc2004  a270p