Biernacka, Marta Anna, i Anna Jakubowska-Winecka. 2017. „Health Locus of Control As a Psychological Factor in Improving Treatment Results in Adolescents With Primary Hypertension and Diabetes”. Health Psychology Report 5 (1):20-29. https://czasopisma.bg.ug.edu.pl/index.php/HPR/article/view/9170.