SINGH, Ranjit Konrad; ROTH, Matthias. Harmonizing Data From Open-Ended and Closed-Ended Quantity Questions with Observed Score Equating. Survey Research Methods, [S. l.], v. 17, n. 2, p. 177–191, 2023. DOI: 10.18148/srm/2023.v17i2.8087. Disponível em: https://ojs.ub.uni-konstanz.de/srm/article/view/8087. Acesso em: 18 may. 2024.