Library, University of Moratuwa, Sri Lanka catalog

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Dharmawardhana, R.W.

Sheethakarana/waayusamana paddhathi aluthwediyaa kireeme parisara mithuru thaakshanayan saha wikalpa sheethakaraka - Colombo 06 Author 2011 - 99p. : ill., tables

Text in Sinhala

Subjects--Topical Terms:
AIR CONDITIONING
VENTILATION
OZONE PROTECTIVE ATMOSPHERES
ENVIRONMENTAL IMPACT

Universal Decimal Class. No.: 697.9 / D5

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