Terrazola, V. E. P. (2021). Sen. Villanueva files bill to mandate telcos to disclose service coverage areas. Manila Bulletin.
Chicagoスタイル(17版)引用形式Terrazola, Vanne Elaine P. "Sen. Villanueva Files Bill to Mandate Telcos to Disclose Service Coverage Areas." Manila Bulletin 2021.
MLA(8版)引用形式Terrazola, Vanne Elaine P. "Sen. Villanueva Files Bill to Mandate Telcos to Disclose Service Coverage Areas." Manila Bulletin, 2021.
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