Maria Vlacholia Stella Vosniadou Petros Roussos Katerina Salta Smaragda Kazi Michael Sigalas Chryssa Tzougraki, Changes in Visual/Spatial and Analytic Strategy Use in Organic Chemistry with the Development of Expertise, Chemistry Education Research and Practice, (18), 763-773, 2017, ROYAL SOC CHEMISTRY, 1109-4028, 1756-1108