Katigbak, A. F. (2005). Ad valorem tax for cigarettes to generate more revenues for gov't. Philippine Star.
Chicago Style aipamenaKatigbak, Antonio F. "Ad Valorem Tax for Cigarettes to Generate More Revenues for Gov't." Philippine Star 2005.
MLA aipamenaKatigbak, Antonio F. "Ad Valorem Tax for Cigarettes to Generate More Revenues for Gov't." Philippine Star, 2005.
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