Title:Social responsibility of higher education students. Motivations for its development in times of Covid-19 in Chile and El Salvador / Responsabilidad social de estudiantes de educación superior. Motivaciones para su desarrollo en tiempos de Covid-19 en Chile y El Salvador
Title:A Potential Function for the Power Flow in DC Microgrids: An Analysis of the Uniqueness and Existence of the Solution and Convergence of the Algorithms