2017 https://www.tandfonline.com/doi/pdf/10.1080/14650045.2017.1328407?casa_token=ICGu24KQomoAAAAA:RZbAX9hKSC2rZgt-1R6PvEpz8p3fWVgwtl3SMgwfBF3QZH4UIQcPFhsdzxUC9QWwQz7N_J2XtBuRue4 Academic paper