"Factors determining the difficulty of practice problems in a computer ..."

Yoshihiro Nakamura, Tsuneo Kuwabara, Kazutoki Takeda (2000)

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DOI: 10.1002/(SICI)1520-684X(200004)31:4<87::AID-SCJ9>3.0.CO;2-U

access: closed

type: Journal Article

metadata version: 2023-09-13

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