Solihati, N., and H. Mulyono. “Designing and Evaluating the Use of Smartphones to Facilitate Online Testing in Second-Language Teacher Education (SLTE): An Auto-Ethnographic Study”. International Journal of Emerging Technologies in Learning (iJET), vol. 13, no. 01, Jan. 2018, pp. pp. 124-137, doi:10.3991/ijet.v13i01.7683.