NYAU, S. Y.; LEE, M. H.; WONG, M. L. D. A Variable Sampling Interval Multivariate Exponentially Weighted Moving Average Control Chart Based on Median Time-to-Signal. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 9, n. 3-10, p. 115–118, 2017. Disponível em: https://jtec.utem.edu.my/jtec/article/view/3165. Acesso em: 4 may. 2024.