CAMILLERI, A.; AZZOPARDI, A. Valletta: A Systematic Literature Review. The International Journal of Humanities & Social Studies, [S. l.], v. 9, n. 6, 2021. DOI: 10.24940/theijhss/2021/v9/i6/HS2106-048. Disponível em: https://www.internationaljournalcorner.com/index.php/theijhss/article/view/165023. Acesso em: 18 may. 2024.