Cruz, C. B. (1993). College students' performance in solving several verbal problems in trigonometry and its relationship to selected variables.
Citace podle Chicago (17th ed.)Cruz, Carolina B. College Students' Performance in Solving Several Verbal Problems in Trigonometry and Its Relationship to Selected Variables. 1993.
Citace podle MLA (9th ed.)Cruz, Carolina B. College Students' Performance in Solving Several Verbal Problems in Trigonometry and Its Relationship to Selected Variables. 1993.
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