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Re-examination Proposal of Transaction Distance Theory from Total Amount of Scaffoldings!" #$!"%& '(!"#!$)* +,!"
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Katsuaki SUZUKI Yukiji KATO
Naoshi HIRAOKA*1!"!$-./01234560789:;<=:>?@AB<C: %&'()D*!"
Research Center for Instructional Systems, Kumamoto University !$Sunlight Human TDMC, Inc.
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