000 00321nam a2200097Ia 4500
082 _aJ ST 500.2 PHYS
245 0 _aPhysical science. Grade 11 : waves, sound and light : learner's workbook
100 _a Department of Education Johannesburg, 2008
_922872
942 _cBK
008 210817s9999 xx 000 0 und d
999 _c368789
_d368788