R. D. Saputra, M. A. Agusty, J. Hanifah, M. Rezkyandar, S. Inda, and Abdiansah, “MENTAL HEALTH APPLICATION PROTOTYPE WITH MACHINE LEARNING AND AUGMENTED REALITY APPLICATION DURING THE COVID-19 PANDEMIC”, J. Ris. Inform., vol. 3, no. 4, pp. 401–408, Sep. 2021.