Sotelo, Y. In Pangasinan, robots made of trash guard school. Philippine Daily Inquirer.
Citace podle Chicago (17th ed.)Sotelo, Yolanda. "In Pangasinan, Robots Made of Trash Guard School." Philippine Daily Inquirer .
Citace podle MLA (9th ed.)Sotelo, Yolanda. "In Pangasinan, Robots Made of Trash Guard School." Philippine Daily Inquirer, .
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