Qualitative-Naturalistic Research Route. A Meta-analytical Alternative for Management Studies: Work Satisfaction in Factories.- Cybersecurity in Smart Cities - Technology and Data Security in Intelligent Transport Systems.- Youth Associations in Academia: Their Implications for the Creation and Development of an Entrepreneurial Profile.- Modular Educational Ecosystem as Academic Support During Covid-19 Emergency at Mexico City-IPN in 2020.- The Incidence of Abuse and School Harassment Among Foreign and Spanish Students in Extremadura.- Tití App, An Interactive Psycho-Pedagogical Recovery Tool: A Pilot Study.- Accessibility and Usability in Learning Objects.- Museum, School and Augmented Reality a Way to Pre-serve the Ethno Identity of an Ancestral Culture.- Multinomial Logistic Regression Model for Prioritization of COVID-19 Vaccination in Portoviejo - Ecuador.- Visual Metrics for Educational Videogames Linked to Socially Assistive Robots in an Inclusive Education Framework.