000 00199 a2200085 4500
020 _a062801967
082 _bJ 510 SCH
100 _aSchnell D. S and Shapiro B
_9179287
245 _aLessons in Mathematics
999 _c752332
_d752331
942 _w395
_xKholofelo Moabelo
_y395
_zKholofelo Moabelo