000			00421nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a981-3011-48-3
082			_a510.07 _bLEN
100			_aLeng, Koh Kim _99324
245			_aPractice Papers Mathematics . primary 4
260			_bSystem Publishing House, _c1991. _aSingapore :
300			_a74p.; _c27cm
650			_aMathematics
942			_2ddc _cLM
999			_c25916 _d25916