Syahputra, Y., Ifdil, I., Setiawati, C. L., Yendi, F. M., Yuliana, Y., Tanjung, R. F., & Susiati, S. (2026). Rasch-Based DIF Analysis of Self-Harm Behaviors: Gender, Ethnicity, and Age Factors in an Indonesian Context. Journal of Counseling and Educational Research, 2(3), 162–178. https://doi.org/10.63203/jcerch.v2i3.524