Petroutsos, E. (1998). Mastering visual basic 6. BPB.
Tohutoru Kātū Chicago (17th ed.)Petroutsos, Evangclos. Mastering Visual Basic 6. New Delhi: BPB, 1998.
Tohutoro MLA (9th ed.)Petroutsos, Evangclos. Mastering Visual Basic 6. BPB, 1998.
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