Uddin, A. (1992). WordPerfect 5.1. Suma Publication.
Chicago Style (17th ed.) CitationUddin, Akhter. WordPerfect 5.1. Dhaka: Suma Publication, 1992.
MLA (9th ed.) CitationUddin, Akhter. WordPerfect 5.1. Suma Publication, 1992.
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