Found 2 from your keywords: Subject : "Ozone -- Environmental -- Aspects"
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کتاب الہند البیرونی

کتاب الہند البیرونی

Call Number : 294.52 ک ت ا
Availability : 1 copies available for loan
description
Ventilation pollution-hazards of depletion of ozone layer by cfc's of refrigeratnts

Ventilation pollution-hazards of depletion of ozone layer by cfc's of refrigeratnts

Call Number : 628.53 HAB
Availability : 1 copies available for loan
description

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National Library of Pakistan

is a legal depository for all published literary heritage of Pakistan . It serves as top most knowledge resource centre of the nation as well as fountain head of Library developments in the country.