000 00292 a2200121 4500
082 _a374.4
_bAPD
100 _aUNESCO
_9123074
245 _aDistance learning for teacher education
260 _aBangkok:
_bUNESCO,
_c1982.
300 _a39p
650 _aDistance education
_9123075
942 _cBK
999 _c72502
_d72502