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- [3] INTERNATIONAL TELECOMMUNICATIONS - THE EVOLUTION OF DEMAND ANALYSIS TELECOMMUNICATION JOURNAL, 1980, 47 (04): : 217 - 222
- [4] ESTIMATES OF DEMAND ELASTICITIES FOR INTERNATIONAL TELECOMMUNICATIONS SERVICES JOURNAL OF INDUSTRIAL ECONOMICS, 1978, 26 (04): : 363 - 381
- [5] INTERNATIONAL TELECOMMUNICATIONS - TESTING A FORECASTING MODEL OF DEMAND TELECOMMUNICATION JOURNAL, 1970, 37 (09): : 635 - +
- [6] ESTIMATE OF PRICE ELASTICITY OF DEMAND FOR INTERNATIONAL TELECOMMUNICATIONS TELECOMMUNICATION JOURNAL, 1976, 43 (11): : 671 - 675
- [8] DEMAND FORECASTING MODELS OF INTERNATIONAL TELECOMMUNICATIONS AND THEIR POLICY IMPLICATIONS JOURNAL OF INDUSTRIAL ECONOMICS, 1970, 18 (01): : 6 - 21