@article{oai:hyogo-u.repo.nii.ac.jp:00000177,
 author = {Nana, Supriatna},
 journal = {The Journal of Social Studies Education},
 month = {Mar},
 pages = {45--54},
 title = {Developing Students' Social Skills Using Textbooks with Character Content in the Social Studies Learning in Indonesia},
 volume = {4},
 year = {2015}
}