Γ. Σ. Βασδέκης Βασίλειος. “Models for the Analysis of Repeated Categorical Measurements”. Psychology: the Journal of the Hellenic Psychological Society 5, no. 2 (October 15, 2020): 113–122. Accessed May 18, 2024. https://ejournals.epublishing.ekt.gr/index.php/psychology/article/view/24242.