Managerial and Operational Hindrances to Polio Eradication: A Case Study of Tehsil Katlang, Mardan, Pakistan. Liberal Arts and Social Sciences International Journal (LASSIJ), Peshawar, Pakistan, v. 3, n. 2, p. 48–58, 2020. DOI: 10.47264/idea.lassij/3.2.6. Disponível em: https://www.ideapublishers.org/index.php/lassij/article/view/60. Acesso em: 21 apr. 2026.