000 00235 a2200085 4500
020 _a9780702156410
082 _aST 384.072 PLOO
100 _aG.M. du Plooy
_9176815
245 _aCommunication research : techniques, methods and applications
999 _c746185
_d746184
942 _w395
_xKholofelo Moabelo
_y395
_zKholofelo Moabelo