@article{oai:konan-u.repo.nii.ac.jp:00001753, author = {Huber , Arthur and Huber , Arthur}, journal = {Hirao School of Management review, Hirao School of Management review}, month = {Mar}, note = {application/pdf}, pages = {170--177}, title = {Recognizing, Understanding and Mitigating L2 Learner Frustration}, volume = {6}, year = {2016} }