00421cam a2200169   450000500170000024500720001702000150008910000240010404400160012825000090014404100080015330000230016150000050018483000060018926000380019508200180023320260711133907.0  aEstadistica I:Elementos de estadistica descriptiva yprobabilidad.b  a8484051994  aBonilla, Gildaberto  aEl Salvador  a8ª   aspa  a558 p. il.; 22 cm.  a  v1  aSan Salvador bUCA Editoresc2001  a519.53bB715e