Calica, A. P-Noy awards mining companies for exemplary practices. In People & Events. The Philippine Star.
Chicagoスタイル(17版)引用形式Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star .
MLA(9版)引用形式Calica, Aurea. "P-Noy Awards Mining Companies for Exemplary Practices. In People & Events." The Philippine Star, .
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