Murphy J. The importance of stakeholder perception in understanding impact: The Basic Integrated Health System (sibasi) program and quality of primary healthcare in El Salvador. Rev. Ger. Pol. Sal [Internet]. 1 de junio de 2007 [citado 4 de mayo de 2024];6(12). Disponible en: https://revistas.javeriana.edu.co/index.php/gerepolsal/article/view/2697