00477nam a2200145Ia 450000500170000000800410001704100080005808200150006610000270008124500500010826000430015830000090020199900190021095201020022920260720174609.0260720s2004    xx            000 0 und d  aeng  a500.7 KUMC  aAnilkumar, S S9268799  aContent based methodology of teaching science  aMysorebVijayalakshmi Prakashanac2004  a280p  c242889d242889  001040708BEDaALbALd2026-07-20l0o500.7 KUMCpBED01281r2026-07-20 17:46:09w2026-07-20yBK