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.

Abdul Rahman, Ayu and Syed Yahaya, Sharipah Soaad and Atta, Abdu Mohammed Ali (2018) The Effect of Median Based Estimators on CUSUM Chart. Journal of Telecommunication, Electronic and Computer Engineering, 10 (1-10). pp. 49-52. ISSN 2180-1843

Zain, Zakiyah and Syed Yahaya, Sharipah Soaad and Ahmad, Nurzalikha and Atta, Abdu Mohammed Ali (2020) New X-bar control chart using skewness correction method for skewed distributions with application in healthcare. Systematic Review Pharmacy, 11 (2). pp. 230-236. ISSN 09758453

Khoo, M. B. C. and Atta, Abdu Mohammed Ali and Chen, C-H. (2009) Proposed X and S control charts for skewed distributions. In: IEEE International Conference on Industrial Engineering and Engineering Management ( IEEM 2009), 8-11 Dec. 2009, Hong Kong.

Abdul Rahman, Ayu and Syed Yahaya, Sharipah Soaad and Atta, Abdu Mohammed Ali (2019) Robustification of CUSUM control structure for monitoring location shift of skewed distributions based on modified one-step M-estimator. Communications in Statistics - Simulation and Computation. pp. 1-18. ISSN 0361-0918

Abdul Rahman, Ayu and Syed Yahaya, Sharipah Soaad and Atta, Abdu Mohammed Ali and Ahad, Nor Aishah and Hamid, Hashibah (2020) The impact of data anomaly on EWMA phase II performance. Journal of Engineering and Applied Sciences, 15 (15). pp. 3010-3015. ISSN 1816-949X

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