Kristamuliana, K. et al. 2021. Pengalaman Lansia Menerapkan Protokol Kesehatan di Masa Pandemi Covid-19: Studi Kualitatif di BPLU Senja Cerah Manado: Experiences of the Elderly Implementing Health Protocol During the Covid-19 Pandemic: A Qualitative Study in BPLU Senja Cerah Manado. Media Publikasi Promosi Kesehatan Indonesia (MPPKI). 4, 3 (Aug. 2021), 406–412. DOI:https://doi.org/10.56338/mppki.v4i3.1609.