The assessment of optimistic self-beliefs: Comparison of the Chinese, Indonesian, Japanese, and Korean versions of the general self-efficacy scale 論文 Ralf Schwarzer・Aristi Born・Saburo Iwawaki・Young-Min Lee・Etsuko Saito・Xiaodong Yue ·1997-03-01 ·40(1) pp. 1-13 Coimbra University Press ci.nii.ac.jp