Environmental Evaluation of Heating Devices Using Low Grade Coal and Waste Cooking Oil - Aspects of Improving Air Quality in Ulaanbaatar, Mongolia - (저급석탄과 폐식용유를 활용한 난방장치의 환경성 평가 - 몽골 울란바타르시 대기질 개선 측면-)
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- Clean Technology
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- v.29 no.1
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- pp.22-30
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- 2023