HAPSORO, A. The transformation of ordinal scale for parametric statistic analysis on dental health questionnaire. Dental Journal, [S. l.], v. 42, n. 1, p. 1–5, 2009. DOI: 10.20473/j.djmkg.v42.i1.p1-5. Disponível em: https://e-journal.unair.ac.id/MKG/article/view/969. Acesso em: 8 sep. 2024.