Y. E. Suryani, F. A. Setyowati, Tukiyo, dan A. E. Saputri, “Psychometric Properties of Character Strength Instruments Using the Rasch Model”, PSP, vol. 2, no. 1, hlm. 408–417, Des 2024, Diakses: 16 September 2025. [Daring]. Tersedia pada: https://psikologi.unair.ac.id/proceeding-series-of-psychology/index.php/psp/article/view/90