Ocampo, K. R. DENR starts crackdown on illegal small-scale miners. IN Business. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Ocampo, Karl R. "DENR Starts Crackdown on Illegal Small-scale Miners. IN Business." Philippine Daily Inquirer .
MLA način citiranja (9. izdanje)Ocampo, Karl R. "DENR Starts Crackdown on Illegal Small-scale Miners. IN Business." Philippine Daily Inquirer, .
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