Simeon, L. M. (2017). Mining firms say Gina Lopez creating bigger problem. Philippine Star.
Chicago Style aipamenaSimeon, Louise Maureen. "Mining Firms Say Gina Lopez Creating Bigger Problem." Philippine Star 2017.
MLA aipamenaSimeon, Louise Maureen. "Mining Firms Say Gina Lopez Creating Bigger Problem." Philippine Star, 2017.
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