00558nam a22001457a 4500003000400000005001700004008004100021040001400062100003000076245012600106260000900232300003000241500011400271504002700385OSt20171010095441.0120611t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aDulloog, Marvin Aries I.   aEvaluation of sanitation practices and hazardous wastes disposal of bus operators in laoag city cMarvin Aries I. Dulloog  c2007  axiv, [53] leaves c28 cm.  aThesis (BS Environmental Science) -- Mariano Marcos State University-College of Arts and Sciences, Batac City  aBibliography: leaf 37