GRACE C. ARCAMO; LUISA C. ATON. COVID-19 Vaccine Hesitancy in Selected Middle and Old-Aged - Individuals: A Comparative Study. Educational Administration: Theory and Practice, [S. l.], v. 28, n. 03, p. 466–473, 2022. DOI: 10.53555/kuey.v28i03.9662. Disponível em: https://www.kuey.net/index.php/kuey/article/view/9662. Acesso em: 11 dec. 2025.