References

Alarcón, H. & Zavala, G. (2008). Introducción ala física universitaria: Conceptos y herramientas. Mexico, D. F.: EditorialTrillas. Alarcón, H. & Zavala, G. (2006). Introducción ala física universitaria: Manual de actividades. Mexico, D. F.: Editorial Trillas.   Barniol, P., ZavalaG. (2009). Investigation of Students’ Preconceptions and Difficulties with the Vector Direction Concept at a Mexican University. AIP Conference Proceedings, 1179, 85-88.   Barniol, P., ZavalaG. (2010). Vector Addition: Effect of the Context and Position of the Vectors. AIP Conference Proceedings, 1289, 73-76.   Barniol, P., ZavalaG. (2012). Students’ Difficulties with Unit Vectors and Scalar Multiplication of a Vector. AIP Conference Proceedings,1413, 115-118.   Barniol, P., ZavalaG. (2015). Force, Velocity and Work: the Effect of Different Contexts on Students’ Understanding of Vector Problems using Isomorphic Problems. Physical Review Special Topics – PhysicsEducation Research, 11 (1), 020115-1-020115-15.   Cataloglu, E. (2006).Open Source Software in Teaching Physics: A Case Study on Vector Algebra and Visual Representations. The TurkishOnline Journal of Educational Technology – TOJET January 2006 ISSN:1303-6521 volume 5 Issue 1 Article 8   Doerr, H. M. (1996).Integrating the study of trigonometry, vectors, and force through modeling. SchoolScience And Mathematics, (8), 407.   Fernández de Lara,R., Salmón, R., Zavala, G. (2013). MOOC: Conceptos y Herramientas para la Física Universitaria.  https://www.coursera.org/course/cyhfisica   Forsythe, S. (2010).   A study of the effectiveness of a Dynamic Geometry Program to Support the Learning of Geometrical Concepts of 2D Shapes. Proceedings of the British Society for Research into Learning Mathematics 30(2).   Hohenwarter, M.,Preiner, Z. (2007). Dynamic Mathematics with GeoGebra. Journal of Online Mathematics and its Applications, MAA ID 1448,Vol. 7.   Iskander, W., Curtis,S. (2005). Use of colour and interactive animation in learning 3D vectors. Journal Of Computers In Mathematics And Science Teaching, (2), 149.   Knight, R. D. (1995).The Vector Knowledge of Beginning Physics Students. The Physics Teacher, 33 (2), 74-77.   Nguyen, N., Meltzer,D. E. (2003). Initial Understanding of Vector Concepts among Students in Introductory Physics Course.  American Journal of Physics, 71 (6),630-638.   Stahl, G. (2010). Computer Mediation of Collaborative Mathematical Exploration. ICLS '10 Proceedings of the 9th International Conference  of the Learning Sciences – 2, 30-33. Tsegaye, K., Baylie,D., & Dejne, S. (2010). Computer based teaching aid for basic vector operations in higher institution Physics. Latin-American Journal Of Physics Education, 4(1), 3.   Umporn, W.,Karnpitcha, B., & Narumon, E. (2015). Teaching Basic Vector Concepts: A Worksheet for the Recovery of Students' Vector Understanding. Eurasian Journal Of Physics & Chemistry Education, 7(1), 18.