Piyatissa, M. L. . S. ., M. G. M. . Johar, and A. K. . Tarofder. “Multiple Representations in Dispelling Some Common Misunderstandings and Increasing the Clarity of Principles of Physics Taught at Secondary School Level”. Asian Journal of Contemporary Education, vol. 2, no. 2, Aug. 2018, pp. 122-35, doi:10.18488/journal.137.2018.22.122.135.