000 | 00334nam a22001097a 4500 | ||
---|---|---|---|
082 |
_a374.45 _bUND |
||
100 |
_aUNESCO _9123106 |
||
245 |
_aDistance Leaning System and Structures _bTraining Manual _cUNESCO |
||
260 |
_aBangkok _bUNESCO _c1987 |
||
650 |
_aDistance Leaning System and Structures _aDistance Education _9123107 |
||
942 | _cBK | ||
999 |
_c74759 _d74759 |