Developing SPPVM modules with visual basic M. E. Ekpenyong, N. M. Umoh, E. E. Ekong Global Journal of Mathematical Sciences · Volume 2, Issue 1 (2004) DOI: 10.4314/gjmas.v2i1.21328 Abstract No abstract Article information Published15 January 2004 Languageen PublisherAfrican Journals Online (AJOL) LicenseNo license URL DOI10.4314/gjmas.v2i1.21328 Journal ISSN1596-6208