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Ross L. Finney, Franklin D. Demana, Bert K. Waits, Daniel Kennedy

Ages 14–18mathematicsproblem-solving

Ages 14–18grammar masterywriting skills

Ages 15–18grammarwriting skills

Ages 14–18language skillswriting mechanics

Ages 14–18language skillsgrammar

Ages 14–18language skillswriting mechanics

Ages 15–18vocabulary buildinglanguage skills

Paul R. Robbins, Sharon K. Hauge

Ages 12–15mathematicsproblem-solving

Kenneth Hodkinson, Sandra Adams, Cynthia Johnson, Drew Johnson

Ages 6–15vocabulary buildinglanguage skills

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