Descripción: “...Based on an institutional perspective according to that  proposed  by Tinto (1989) for the analysis  and understanding of the nature  of the problem, information concerning the groups of students  who entered  the first semester  of 1998 to the first semester  of 2004 was processed.  ...”

Descripción: “...Results: 76.19% had some type of refractive error a motor problems 55.49% and 30.02% some alteration eye. Conclusion: The assessment of eye health conditions of children and adolescents with cognitive disabilities is indispensable as its conditional increased risk for visual problems, ocular and motors, as well as its comprehensive rehabilitation process can see highly benefited with proper intervention of his visual health problem.Keywords: Visual acuity, visually impaired persons, refraction ocular, ocular motility disorders, eye abnormalities, eye health, strabismus, education of intellectually disabled. ...”

Descripción: “...En ambos casos los resultados obtenidos son de gran calidad, lo que respalda lo propuesto en este trabajo.To solve the problem of secondary distribution systems planning, this paper proposes a methodology using a tabu search algorithm as a solution technique. ...”

Descripción: “...Puede tratarse con Terapia Cognitiva (TC), la cual ha demostrado efectividad en esta problemática, basada en la modificación de cogniciones negativas y estilos disfuncionales de afrontamiento, reducción de deserción, adherencia a servicios de salud y apoyo social. ...”