00491nam a2200169Ia 4500 4536 4536 OSt 20200120115939.0 190216s9999||||xx |||||||||||||| ||und|| 0706907531 oclc 658.45 BAL/B Balasubrahmanyan, M 1333 Business Communications / M Balasubrahmanyan Vikas Publications, 1979. New Delhi: 243p BK ddc 658.45 BAL/B 658.45 BAL/B