00534nam a2200169Ia 450000500170000000800460001703700120006304000200007504100130009508400220010810000190013024500610014924500110021026000860022130000090030765000480031620250508163411.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a379.11, UNEqFEDL  aJamison Dean T 0aCost factors in planning educational teachnology systems 0cUNESCO  aParis, FrancebUnited Nation Educational Scientfic and Cultural Orgnizationc1977  a62p.  aEducation - Finance; Educational technology