Irta, A. Z., Kurniawan, R., & Guspa, A. (2026). How Reliable, How Certain? A Bayesian Reliability Analysis of the Short Dark Tetrad (SD4) Among Indonesian University Students. Nusantara Journal of Behavioral and Social Science, 5(3), 113–124. https://doi.org/10.47679/njbss.202619153