Items where Author is "AMA, Atta"
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AMA, Atta and MHA, Shoraim and Syed Yahaya, Sharipah Soaad (2014) A multivariate EWMA control chart for skewed populations using weighted variance method. International Research Journal of Science and Engineering (IRJSE), 2 (6). pp. 191-202. ISSN 2322-0015