Todorova, Elka, Todorka Kineva, and Vasil Bozev. “Adaptation and Evaluation of the Bulgarian Version of Health Education Impact Questionnaire (heiQ-BG) for the Evaluation of Self-Management Education Interventions”. UNWE Yearbook, no. 1 (December 27, 2018): 157–170. Accessed July 22, 2026. https://bjiep.e-dnrs.org/index.php/yb/article/view/5980.