@article{oai:tsukuba.repo.nii.ac.jp:00017543, author = {ツィガルニツカヤ, エレナ and TSYGALNITSKY, Elena}, journal = {筑波応用言語学研究, Tsukuba Journal of Applied Linguistics}, month = {Nov}, pages = {179--192}, title = {On beliefs' structure in language learning : a case study of beliefs about difficulty in Japanese language learning}, volume = {15}, year = {2008} }