Atta, Abdu Mohammed Ali and Syed Yahaya, Sharipah Soaad and Zain, Zakiyah and Ali, Hazlina (2016) An EWMA chart for sample range of Weibull data using weighted variance method. In: 4th International Conference on Quantitative Sciences and Its Applications (ICOQSIA 2016), 16–18 August 2016, Bangi, Selangor, Malaysia.

Ali, Hazlina and Syed Yahaya, Sharipah Soaad and Omar, Zurni (2015) Enhancing minimum vector variance estimators using reweighted scheme. Far East Journal of Mathematical Sciences (FJMS), 98 (7). pp. 819-830. ISSN 0972-0871

Sharif, Shamshuritawati and Ali, Hazlina and Syed Yahaya, Sharipah Soaad (2016) Multivariate statistic for researchers. UUM Press, Sintok. ISBN 978-967-0876-76-4

Ali, Hazlina and Syed Yahaya, Sharipah Soaad (2013) On robust mahalanobis distance issued from minimum vector variance. Far East Journal of Mathematical Sciences (FJMS), 74 (2). pp. 249-268. ISSN 0972-0871

Yai, Fung Lim and Syed Yahaya, Sharipah Soaad and Ali, Hazlina (2018) Robust Linear Discriminant Analysis with Highest Breakdown Point Estimator. Journal of Telecommunication, Electronic and Computer Engineering, 10 (1-10). pp. 7-12. ISSN 2289-8131

Ali, Hazlina and Syed Yahaya, Sharipah Soaad and Omar, Zurni (2013) Robust hotelling control chart with consistent minimum vector variance. Mathematical Problems in Engineering, 2013. pp. 1-7. ISSN 1024-123X

Syed Yahaya, Sharipah Soaad and Lim, Yai-Fung and Ali, Hazlina and Omar, Zurni (2016) Robust linear discriminant analysis with automatic trimmed mean. Journal of Telecommunication, Electronic and Computer Engineering, 8 (10). pp. 1-3. ISSN 2180-1843

Lim, Yai-Fung and Syed Yahaya, Sharipah Soaad and Idris, Faoziah and Ali, Hazlina and Omar, Zurni (2014) Robust linear discriminant models to solve financial crisis in banking sectors. In: 3rd International Conference on Quantitative Sciences and its Applications (ICOQSIA 2014), 12–14 August 2014, Langkawi, Kedah Malaysia.

Ismail, Mohd Isfahani and Ali, Hazlina and Syed Yahaya, Sharipah Soaad (2015) Robust parameter estimation method for bilinear model. AIP Conference Proceedings, 1691 (1). 050012. ISSN 0094-243X

Salleh, Mohamed Najib and Yusop, Norhayati and Ali, Hazlina (2010) Used of simulation model to study the effect of increasing number of doctor and patients' arrival control. In: 2nd International Conference on Technology and Operations Management (ICTOM), 5 - 7 July 2010 , Bayview Hotel, Langkawi. (Unpublished)

Salleh, Mohamed Najib and Yusof, Norhayati and Ali, Hazlina (2002) Using simulation to reduce out-patient waiting time: A case study at Jitra Health Center. Project Report. Universiti Utara Malaysia. (Unpublished)

Lim, Yai-Fung and Syed Yahaya, Sharipah Soaad and Ali, Hazlina (2016) Winsorization on linear discriminant analysis. In: 4th International Conference on Quantitative Sciences and Its Applications (ICOQSIA 2016), 16–18 August 2016, Bangi, Selangor, Malaysia.

Syed Yahaya, Sharipah Soaad and Ali, Hazlina and Omar, Zurni (2011) An alternative hotelling T^2 control chart based on Minimum Vector Variance (MVV). Modern Applied Science, 5 (4). pp. 132-151. ISSN 1913-1844

Ali, Hazlina and Syed Yahaya, Sharipah Soaad and Omar, Zurni (2015) A computationally efficient of robust mahalanobis distance based on MVV estimator. In: International Symposium on Mathematical Sciences and Computing Research (iSMSC), 19-20 May 2015, Hotel Casuarina@Meru, Bandar Meru Raya, Ipoh, Perak Darul Ridzuan, MALAYSIA.

Ali, Hazlina and Syed Yahaya, Sharipah Soaad and Omar, Zurni (2014) The efficiency of reweighted minimum vector variance. In: 3rd International Conference on Mathematical Sciences, 17–19 December 2013, Kuala Lumpur, Malaysia.

Atta, Abdu Mohammed Ali and Shoraim, Majid H. A. and Syed Yahaya, Sharipah Soaad and Zain, Zakiyah and Ali, Hazlina (2016) A scaled weighted variance S control chart for skewed populations. Journal of Theoretical and Applied Information Technology, 91 (1). pp. 61-74. ISSN 1992-8645