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1441
How to handle the waste problem (without using incinerators)
Published in Environment News Network (1998)Article -
1442
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1443
Urban resources recycling under the internet age
Published in Asian Review of Public Administration (1998)Article -
1444
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1445
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1446
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1447
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1448
When junk is good luck. IN Seeing green [column]
Published in Philippine Daily Inquirer (1998)Article -
1449
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1450
From trashmen to greenies junk dealers help keep the city clean [series]
Published in Philippine Star (1998)Article