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Parent (intermediate) annotation
Open it CALL (Computer-Assisted Language Learning)
Original toplevel document (pdf)
owner: logan - (no access) - Chukharev-Hudilainen, Evgeny and Tatiana A. Klepikova: "The effectiveness of computer-based spaced repetition in foreign language vocabulary instruction: a double-blind study", p335
last interval [days]
repetition number in this series
scheduled repetition interval
last repetition or drill
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