You, H. W., Boon Chong, M. K. ., Saha, S., Mahmood, Y., & Chua, S. (2026). Proposed Double Sampling Variable Sampling Interval Coefficient of Variation Chart for Manufacturing. International Journal of Integrated Engineering, 18(3), 118-134. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/21413