00320nam a2200085Ia 4500008004100000100002600041245010000067260005300167300001400220180205s9999    xx            000 0 und d  aPatalinghug, Wyona C.  aTeaching guide for senior high school general chemistry 1 :bspecialized subject/ academic-stem  aQuezon CitybCommision on higher educationc2016  a312 pages