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91
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'Biodiesel' fuel as alternative. IN Editorial [column]
Published in Leyte Samar Daily Express (2003)Article -
97
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98
Coconut biofuel is engine-friendly, says expert
Published in Philippine Daily Inquirer (2002)Article -
99
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Answering the dirty of promoting clear air. IN Chairman's corner [column]
Published in MARID Agribusiness Digest (2002)Article