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This was first heard live on air at DZUP 1602 AM. Podcast uploaded at iskwiki. Click to listen

Speed math subtraction & division gan Jensen, Paz A. Lacsamana-

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Addition and subtraction a cognitive perspective

Subtraction drill for levels 1-3 gan Mock, Valerie E.

Subtraction gan Jones, Graham

Multiphase development and evaluation of cognitively diagnostic assessment and adaptive intervention for tracking learning gan Tenorio, Alvin Daiz