Kabat, Eliza Zofia, Krzysztof Konopka, Maciej Kamil Majchrzak, Faustyna Magdalena Kołodziej, Alicja Kwiatkowska, Jakub Juskowiak, Mateusz Lis, Zuzanna Julia Komin, Maryan Liasota, and Michalina Justyna Kozłowska. “PASSIVE SMARTPHONE SENSING FOR MENTAL HEALTH MONITORING: A STRUCTURED REVIEW OF BEHAVIORAL BIOMARKERS, PREDICTIVE VALIDITY, AND ETHICAL RISKS”. International Journal of Innovative Technologies in Social Science 1, no. 4(52) (October 3, 2026). Accessed October 30, 2026. https://rspublisher.org/index.php/ijitss/article/view/6268.