00469nam a2200181Ia 4500001000700000003000400007008004500011010001100056020001800067041001400085100002000099700001700119245007700136260003000213300001100243650002200254082001100276018169LIB220712b2003 py ||||| |||| 00| 0 spa d a018169 a0-7879-6474-3 aEspañol aPalloff, Rena M aPratt, Keith 4aThe virtual student: a profile and guide to working with online learners bJossey Bass,aUSA :c2003 a191 p. aEDUCACION VIRTUAL a371.35