The use of n p x $np_{x}$ -type attribute charts to monitor the variance. - Leandro Alves da Silva; Linda Lee Ho; Roberto da Costa Quinino (Qual. Reliab. Eng. Int., 2022)

An approach for improvements on the attribute n p x $np_x$ control chart. - Leandro Alves da Silva; Linda Lee Ho; Roberto da Costa Quinino (Qual. Reliab. Eng. Int., 2022)