González Mina, Katya Valeria and Santamaria Chicas, Loren Beatriz and Landaverde Castillo, Manuel Alexander and Machado Quintanilla, María de los Angeles and Mendoza Galvez, Oscar Rolando (2003) The academic and non-academic factors related to students' subject failing at the School of Arts and Sciences of the University of El Salvador, semester I-2000. Bachelor thesis, Universidad de El Salvador.