000 00493nam a2200145 4500
999 _c10965
_d10965
008 181001b ||||| |||| 00| 0 eng d
022 _a2094-8042
082 _aDPer 370.105 M72 Jan-Dec 2011 v59-60
100 _931865
_aOrtega, Noel S.
245 _aDoor of knowledge/
_cNoel S. Ortega.
260 _aPhilippines:
_bIn the Grade School, Inc.,
_cc2011.
300 _av60 n6, pages 245-248:
_billustrations;
_c27cm.
650 0 _931866
_aProgrammed instruction
_xVocabulary.
942 _2ddc
_cPER