000 | 00512nam a2200217Ia 4500 | ||
---|---|---|---|
008 | 140520s9999||||xx |||||||||||||| ||und|| | ||
020 | _a9231014234 | ||
082 | _a371.1 | ||
082 | _bUnesco | ||
245 | 4 | _aThe Economics Of New Educational Media : Present Status Of Research And Trends | |
260 | _aParis | ||
260 | _bUnesco | ||
260 | _c1977 | ||
300 | _a200 | ||
300 | _bpb | ||
300 | _c6x9.5 | ||
350 | _a0 | ||
365 | _b0 | ||
365 | _dRuppes | ||
440 | _aEducational Methods And Techniques | ||
999 |
_c59969 _d59969 |