Ulrich, J. ., Feldhaus, C. ., Cooney, E. ., & Nickolich, D. . (2015). Circuit Analysis Tools: Integrating Smartphone and Tablet Applications and Simulation Software into Circuit Analysis Instruction and Laboratories. International Journal of Learning, Teaching and Educational Research, 12(1), 64–83. Retrieved from http://www.ijlter.net/index.php/ijlter/article/view/1066