00736nam a22001817a 4500003000400000005001700004008004100021040001400062100002800076245011000104260000900214300002700223500014000250504002600390942001600416999001700432952010500449OSt20171010095615.0130130t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aRamos, Jesus N. 915547  aIncidence of lead in Cerithiidae sp. in Gaang river (downstream) Currimao, Ilocos Norte cRamos, Jesus N.  c2004  axi, 27 leaves c28 cm.  aThesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food & Sustainable Development-Batac City   aBibliography: leaf 17  2ddccTHEDIS  c10060d10060  00102lcc4070aREFbREFd2013-01-30l0p2663-Un r2017-10-10w2017-10-10yTHEDISzLibrary Use only