Macairan, E., & Simeon, L. M. 49 Siargao firms found violating DENR laws. The Philippine Star.
Chicagoスタイル(17版)引用形式Macairan, Evelyn, , Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star .
MLA(9版)引用形式Macairan, Evelyn, , Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star, .
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