Nurmawati, Thatit, et al. “The Application of Booklet for Providing Mental and Psychosocial Support (MHPSS) to Elderly During COVID-19 Pandemic”. Journal of Community Service for Health, vol. 2, no. 1, May 2021, pp. 027-33, doi:10.26699/jcsh.v2i1.ART.p027-033.