Rev. Fac. Cienc. Tecnol.

Table of contents
Rev. Fac. Cienc. Tecnol. no.51 Bogotá Jan./June 2022

Editorial

	· Reflexiones frente a una educación en Ciencias, Matemáticas y Tecnologías en el contexto de la pospandemia Porras Contreras, Yair Alexander · text in Spanish · Spanish ( pdf )

Articles from research

	· Ethnomathematics and Measures. A Study with Merchants from a Mexican Southwest Market Rodríguez-Nieto, Camilo; Morales-García, Lizzet; Muñoz-Orozco, Adrián; Navarro, Catalina · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Underlying Variables for Academic Stress and Student Motivation in Higher Education amid the Covid-19 Pandemic Suárez, Oscar Jardey; Hurtado, Alejandro; Lizarazo -Osorio, Julio · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Some Characteristics of the Environmental Context of the Tabora School to Project the Eco-Citizen Training of Fifth Grade Students Bonilla, Yaquelin Nayibe; Garzón, Isabel · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Electron's Behavior Conceptualization According to Feynman's Approach: A Study in Colombian Middle School Alvarado, Keidy Alejandra; Fanaro, María · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· The Culture of Algebra Teaching in Marginalized Contexts Valoyes-Chávez, Luz; Zapata-Ramos, Paola · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Argumentative Levels and Explanatory Models of the Concept of Nutrition in Plants Trujillo, Katty Alexandra; Patiño, Yoany Andrés · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Professional Perceptions and Expectations of Students in a Physics Bachelor Cardona, Mónica Eliana; Carmona, Jaime Andrés; Arias Gil, Vanessa · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· High School and University Students' Attitude towards Statistics According to their Sex Herrera, Hernando Isacc; Tovar-Ortega, Teremy; Ávila, José Hernando · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Differential Item Functioning Conditional to School Modality in the M ath PSU Test Ovalle, Claudia Patricia · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· *The training of future physics teachers in the context of uncertainty: experience of the d-learning* teaching practice** Sálica, Marcelo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Contributions of Experimental Activity to the Scientific Thinking of Students with Functional Diversity Arteaga, Edwin García; Ortega, Eliana Bolaños · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Intercultural Methodologies for Teaching Biology and Life Osorio, Leidy Bravo · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· An Uncomfortable Truth "MatEcoTierra": Classroom Pedagogical Project developed with students for math teacher Becerra, Erika Macias; Ordóñez, Laura; Patiño, Edna Fresneda · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Doctoral Education at Universidad Pedagógica Nacional: The Itinerary of a Doctoral Student Contreras, Manuel Soler; Salgado, Fidel Cárdenas; Umbarila, Ximena · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Investigative Tasks Mediated by Digital Technologies. A Conceptualization of Knowledge Mobilized by Mathematics Teachers in a Continuing Education Process Gutiérrez, Rafael Enrique; Pazuch, Vinícius; Prieto G, Juan Luis · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Key Environmental Skills in Teaching Activities of Science Teachers Penagos, William Mora; Guerrero, Nathaly · abstract in English \| Spanish \| Portuguese · text in Spanish · Spanish ( pdf )

	· Social Technology in the Context of Critical Socio-environmental Education: A Societal Educational Action Archanjo, Miguel de; Tormohlen, Simoni · abstract in English \| Portuguese \| Spanish · text in Portuguese · Portuguese ( pdf )