00344nam a22001337a 4500015000800000041000800008080000800016100002700024100002700051245004000078260007100118300000800189999001300197 a451 aENG a370 cAiyadurai Karunanandan aAiyadurai Karunanandan aSimulation as a medium of education aThe Educational Aids ServicesbThe Educational Aids Servicesc1982 a161 c344d344