POPOVICH, M. N. . Guest Editor’s Foreword: Twenty five years and still counting!. Operant Subjectivity, [S. l.], v. 26, n. 1, 2002. Disponível em: https://ojs.library.okstate.edu/osu/index.php/osub/article/view/8905. Acesso em: 3 jul. 2024.