Construction of fuzzy multinomial statistical control charts for the air quality index of major cities in India. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. Special Issue 1, p. 1920–1925, 2022. Disponível em: https://ijfans.org/index.php/Journal/article/view/6430. Acesso em: 10 sep. 2026.