000 00235nam a22000977a 4500
082 0 _a380.3 COM
245 1 0 _aCommunication
260 _aMadras :
_bHigginbothams Private Limited,
_c1967.
300 _a132 p. ;
_c21 cm.
650 4 _aCommerce
999 _c356594
_d356530