Coskun, Z.N., Adıguzel, T. and Catak, G. 2019. Acoustic Labyrinth: Validation of a game – based heart auscultation educational tool. World Journal on Educational Technology: Current Issues. 11, 4 (Oct. 2019), 245–256. DOI:https://doi.org/10.18844/wjet.v11i4.4394.