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035 _aUPN01000127573
049 _aCG
050 4 _aT65
_bD6.2
100 1 _aDoughty, Philip
245 0 _aCost-effectiveness analysis and instructional technology /
_cby Philip Doughty, Richard Lent, Albert Beilby.
260 _aNew York :
_bERIC Information, Analysis Product,
_c¿197-?
300 _a47, [12] h.
500 _aFotocopia
650 4 _aEnseñanza técnica
_99074
650 4 _aCOSTOS EDUCATIVOS
_911419
905 _aLibro
999 _c99752
_d99752