00319nam a2200121Ia 450000500170000000800410001704100080005808200150006610000190008124500400010026000480014030000090018820260720174543.0260720s2006    xx            000 0 und d  aeng  a374.1 SINN  aSudarshan, K N  aNon formal and continuing education  aNew DelhibDiscovery Publishing Housec2006  a249p