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2011
Earth Day. IN Editorial [column] changing earth, changing attitudes
Published in Manila Bulletin (1997)Article -
2012
Earth Day celebration focuses on eco-friendly Pinoy inventions
Published in Manila Bulletin (1997)Article -
2013
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2014
The American revolution. IN Horizons [column] the right to revolt
Published in Manila Bulletin (1997)Article -
2015
Reaffirming shared ideals on Philippine-American Friendship Day. IN Editorial [column]
Published in Manila Bulletin (1997)Article -
2016
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2017
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2018
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2019
4th of July now a distant memory in ex-US bases
Published in Philippine Daily Inquirer (1997)Article -
2020
DOLE Labor Day supplement a century of heroism of the Filipino worker
Published in Philippine Star (1997)Article