@article{oai:iwate-u.repo.nii.ac.jp:00011043,
 author = {UNHER, Susan C.},
 journal = {岩手大学教育学部附属教育実践研究指導センター研究紀要, The journal of the Center for Educational Research and Practices},
 month = {Mar},
 pages = {51--62},
 title = {Subject-Verb Agreement in the Second Language Learner of English},
 volume = {3},
 year = {1993}
}