Pillai , R. S .N. Commercial correspondence & office management by R. S. N. Pillai & Bagavath. - 6th ed. - New Delhi, S. Chand, c2000. - [vi] , 468p . : ill , 22cm . Management . ISBN: 81-219-0519-2 Subjects--Topical Terms: Management Dewey Class. No.: 651.75 / PIM