Bumanglag, Sydney M.  <br/><br/>
Indoor air microbial load assessment in Governor Roque Ablan Sr. Memorial Hospital, Laoag City  
Sydney M. Bumanglag 
 -  2004  
 - xii, 41 leaves   28 cm.  
<br/><br/> Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development, Batac City    
<br/><br/>Bibliography: leaf 20