CORAIN, L.; SALMASO, L. An empirical study on new product development process by Nonparametric Combination (NPC) testing methodology and post- stratification. Statistica, [S. l.], v. 63, n. 2, p. 335–357, 2003. DOI: 10.6092/issn.1973-2201/356. Disponível em: https://rivista-statistica.unibo.it/article/view/356. Acesso em: 17 oct. 2021.