Descripción: “...El esquema teórico propuesto ilustra algunas herramientas del pensamiento sistémico que son útiles en el entendimiento, modelamiento y resolución de problemas complejos.Abstract: This article presents a theoretical approach that shows the systems thinking as a methodological tool for the analysis of problems. We discuss how the technique is widely used in different scientific areas, nevertheless in several times is unknown the systems thinking practical tools in operative’s scopes. the theoretical approach proposed, depicts some systems thinking tools that are used for the comprehension, modeling and resolution of complex problems. ...”

Descripción: “...objective: to analyze the factors that influence the academic performance of students in Colombia, considering both individual characteristics and factors related to the educational institution. Methodology: a hierarchical econometric model was used to nest the data at different levels, and the individual results of the Saber 11° tests of the Colombian Institute for the Evaluation of Education were used for both semesters of 2021. ...”

Descripción: “...For validating the proficiency of proposed model and methodology, this paper selects a suitable platform system for viewing the expected effects on a load flow by including a UPFC. ...”