Mohammad Ilyas,  <br/><br/>
Ozon dan sinaran uv   senario kebangsaan dan global 

 - 34 pages ;   30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ozone layer depletion - Addresses, essays, lectures
<br/><br/><label>Dewey Class. No.: </label>363.73875