000 00413cam a22001217a 4500
008 180718b1982 xxu||||| |||| 00| 0 eng d
082 _aP58 In8
100 _aPerraton, Hilary
245 _aAlternative routes to formal education : Distance teaching for school equivalency
_cedited by Hilary Perraton
260 _aBaltimore
_bJohns Hopkins University Press
_c1982
300 _a329p.
650 _aExtension Education
999 _c223598
_d223598