00370nam a2200169Ia 4500001000900000007000300009008004100012040000900053041000800062082001200070100003000082245002700112260001700139650002000156942000700176999001700183CAEN2758ta210314s9999||||xx |||||||||||||| ||und||  aCAEN  aspa  a370 M39  aMarkle Susan Meyereautor 0aInstruccion Programada  aMEXICOc1971  aEDUCACION 9426  cBK  c24942d24942