Dinc M, KE Haynes, RR Stough and S Yilmaz (1998). “Regional Universal Telecommunication Service Provisions in the Us: Efficiency Versus Penetration.” Telecommunications Policy 22(6): 541-553.
Dinc M, KE Haynes, RR Stough and S Yilmaz (1998). “Regional Universal Telecommunication Service Provisions in the Us: Efficiency Versus Penetration.” Telecommunications Policy 22(6): 541-553.