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SociologĂ­a y Ciencias PolĂ­ticas D de. El Salvador 2009 . in sight: Issue No. 29, April 29, 2009. eca [Internet]. 2009 June 30 [cited 2026 Nov. 5];64(720):294-9. Available from: https://revistas.uca.edu.sv/eca/article/view/3482