S. L. Lim, W. C. Yeong, M. B. C. Khoo, Z. L. Chong, and K. W. Khaw, “AN ALTERNATIVE DESIGN FOR THE VARIABLE SAMPLE SIZE COEFFICIENT OF VARIATION CHART BASED ON THE MEDIAN RUN LENGTH AND EXPECTED MEDIAN RUN LENGTH”, Int J Ind Eng, vol. 26, no. 2, Jun. 2019.