Mutiara, Nadia, Yuniar Fitriani, and Devi Alviayana. “Dahsyatnya Kekuatan Berfikir Positif: Dapatkah Mengubah Hidup?”. Journal of Information Systems and Management (JISMA) 4, no. 01 (February 20, 2025): 13–17. Accessed February 15, 2026. https://jisma.org/index.php/jisma/article/view/404.