00319nam a22001217a 4500015000800000041000800008080000800016100002700024100002700051245004000078260007100118300000800189  a451  aENG  a370  cAiyadurai Karunanandan  aAiyadurai Karunanandan  aSimulation as a medium of education  aThe Educational Aids ServicesbThe Educational Aids Servicesc1982  a161