Tsihouridis, C., Vavougios, D. and Ioannidis, G. (2017) “The Effect of Switching the Order of Experimental Teaching in the Study of Simple Gravity Pendulum – A Study with Junior High-school Learners”, International Journal of Emerging Technologies in Learning (iJET), 12(03), pp. pp. 128–141. doi: 10.3991/ijet.v12i03.6492.