Estimating households' demand for access to and usage of wireless and local telephone services /
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| 格式: | Thesis 图书 |
| 语言: | English |
| 出版: |
Urbana :
Graduate College of the University of Illinois at Urbana-Champaign ,
2002
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| 实物描述: | xi, 189 p. : charts ; 30 cm. |
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| 参考书目: | References : p. 162-166 |