COTTLE, C. E.; MCKEOWN, B. The Forced-Free Distinction in Q Technique: A Note on Unused Categories in the Q Sort Continuum. Operant Subjectivity, [S. l.], v. 3, n. 2, 1980. Disponível em: https://ojs.library.okstate.edu/osu/index.php/osub/article/view/9300. Acesso em: 3 jul. 2024.