E. Todorova, T. Kineva, and V. Bozev, “Adaptation and Evaluation of the Bulgarian Version of Health Education Impact Questionnaire (heiQ-BG) for the Evaluation of Self-Management Education Interventions”, YB, no. 1, pp. 157–170, Dec. 2018, Accessed: Jul. 22, 2026. Available: https://bjiep.e-dnrs.org/index.php/yb/article/view/5980