'O' Level commerce for West Africa
Okolo, M. N.(Michael N.)
Williams, D. Treharne(David Treharne)
Williams, D. Treharne(David Treharne).Commerce. - 6th ed.
Harlow Longman
1985
Based on: Commerce / D. Treharne Williams. - 6th ed.; revised by Millie Pincott. - London : Longman, c1985
Includes index