000 00352nam a2200145Ia 4500
003 NIELib
008 211019s9999||||xx |||||||||||||| ||und||
020 _a997140561x
082 _a372.7
_bPRI
245 _aPrimary Mathematics 6A
260 _bFederal,
_c1982.
_aSingapore:
300 _a114p.;
_c24 cm
650 _aPrimary Education
942 _2ddc
_cLM
999 _c26101
_d26101