000 00192 a2200073 4500
020 _a9781473600270
082 _a302.2 MATH
245 _aSecrets of confident communicators: 50 techniques to be heard
999 _c789858
_d789857
942 _w497
_xNontuthuzelo Ndlangisa
_y497
_zNontuthuzelo Ndlangisa