@article{oai:hokurikugakuin.repo.nii.ac.jp:00000978,
 author = {DUGGAN, Anthony and DUGGAN, Sagano},
 issue = {9},
 journal = {北陸学院大学・北陸学院大学短期大学部研究紀要},
 month = {},
 pages = {123--129},
 title = {Educational Stratum : Layering Student Performance with Supplementary Materials},
 year = {2016}
}