Devi, Lalita, Lina Natalya, Ide Bagus Siaputra, and Peter Karl Jonason. 2024. “Validity of the Dark Triad Dirty Dozen (DTDD) Test-Indonesian Version”. Humanitas: Indonesian Psychological Journal 21 (2):118-33. https://doi.org/10.26555/humanitas.v21i2.666.