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491
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492
Pollution from hazardous wastes may have caused the mass ailment of kids
Cyhoeddwyd yn Manila Bulletin (2001)Erthygl -
493
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494
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495
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496
Solid waste management in Metro Manila revisited the role and contributions of the informal sector
Cyhoeddwyd 2001Traethawd Ymchwil -
497
Policy and planning responses to solid waste management (SWM) problems in two municipalities in the Philippines a case study
Cyhoeddwyd 2001Traethawd Ymchwil -
498
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499
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500
Community education program on solid waste management for UP Diliman a developmental model
Cyhoeddwyd 2001Traethawd Ymchwil