Word of Mouth Marketing at Health Institutions. Journal of Asian Development Studies, [S. l.], v. 7, n. 4, p. 47–57, 2018. DOI: 10.62345/jads.2018.7.4.3025. Disponível em: https://www.poverty.com.pk/index.php/Journal/article/view/3025. Acesso em: 1 aug. 2026.