00543nam a22001457a 4500003000400000005001700004008004100021040001400062100002100076245008700097260000900184300003100193500014200224504003100366OSt20171010095615.0130129t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aJacinto, Gay S.   aWater pollution assessment of Quiaoit river in Batac, Ilocos NortecGay S. Jacinto  c2003  axviii, 52 leaves c28 cm.   aThesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development, Batac City    aBibliography: leaves 39-40