“Effect of Locus of Control, Self-Efficacy, and Personality Type on the Quality of Life Among Caregivers of Schizophrenia Patient in Godean Sub-District, Yogyakarta”. 2017. Journal of Epidemiology and Public Health 2 (1): 20-31. https://jepublichealth.com/index.php/jepublichealth/article/view/30.