(1998). An act granting the Trento Telephone System Incorporated a franchise to construct, establish, install, maintain, and operate local exchange network in the municipality of Trento, Province of Agusan Del Sur. Manila Times.
Chicago-viite (17. p.)"An Act Granting the Trento Telephone System Incorporated a Franchise to Construct, Establish, Install, Maintain, and Operate Local Exchange Network in the Municipality of Trento, Province of Agusan Del Sur." Manila Times 1998.
MLA-viite (9. p.)"An Act Granting the Trento Telephone System Incorporated a Franchise to Construct, Establish, Install, Maintain, and Operate Local Exchange Network in the Municipality of Trento, Province of Agusan Del Sur." Manila Times, 1998.
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