00321nam a2200121 a 450000500170000008200170001710000060003411000200004024500530006026000480011330000180016171000200017920251203090452.0  a371.334blev  d_  aLevrat, Bernard  aComputer in the home: its challenge to education  aNorth HollaNew Delhi: Elsvier Sciencec1987  a151p.c24 cm.  aaTagg, Eric, D.