00313nam a2200121Ia 450000500170000000800410001704100080005808200160006610000180008224500370010026000450013730000090018220260720174557.0260720s2005    xx            000 0 und d  aeng  a311.22 PRAH  aPrakash, Ravi  aHistorical research in education  aNew DelhibCommonwealth Publishersc2005  a357p