YUNARDI. COMPARISON OF KNOWLEDGE BEFORE AND AFTER COUNSELING ABOUT HANDWASHING DURING THE COVID-19 PANDEMIC IN ELDERLY SOCIAL SERVICES. MEDALION JOURNAL: Medical Research, Nursing, Health and Midwife Participation, [S. l.], v. 1, n. 1, p. 17–22, 2020. DOI: 10.59733/medalion.v1i1.10. Disponível em: http://medalionjournal.com/index.php/go/article/view/10. Acesso em: 7 jul. 2024.