00489nam a22001457a 4500003000400000005001700004008004100021040001400062100002100076245010200097260000900199300002900208500007300237504003300310OSt20171010095251.0110906t        xxu||||| |||| 00| 0 eng d  aMMSUcULS  aRicardo, Luz L.   aChemistry teaching in the public secondary schools: basis for policy formulation cLuz L. Ricardo  c2008  axiv, 172 leaves c28 cm.  aThesis (Ed.D.-Ed Mgt) -- Mariano Marcos State University, Laoag City  aBibliography: leaves 135-141