@phdthesis{oai:kumagaku.repo.nii.ac.jp:00003481,
 author = {宮内, なぎさ},
 month = {2021-03-25},
 note = {2019年度},
 school = {熊本学園大学},
 title = {Impacts of information sources on Japanese students' in-class and out-of-class self-efficacy beliefs in speaking English},
 year = {}
}