Title:Global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2017, and forecasts to 2030, for 195 countries and territories: a systematic analysis for the Global Burden of Diseases, Injuries, and Risk Factors Study 2017
Title:Model and simulation of a distribution logistic system for learning / Modelo y simulación de un sistema logístico de distribución para el aprendizaje.