ENGELBERG, R., & EVANS, E. (1987). PERCEPTIONS AND ATTITUDES ABOUT SCHOOL GRADING PRACTICES AMONG INTELLECTUALLY GIFTED,LEARNING-DISABLED,AND NORMAL ELEMENTARY SCHOOL PUPILS.
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Chicago Style (17th ed.) Zitazioa
ENGELBERG, R.A, eta E.D EVANS. PERCEPTIONS AND ATTITUDES ABOUT SCHOOL GRADING PRACTICES AMONG INTELLECTUALLY GIFTED,LEARNING-DISABLED,AND NORMAL ELEMENTARY SCHOOL PUPILS. 1987.
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MLA (9th ed.) Zitazioa
ENGELBERG, R.A, eta E.D EVANS. PERCEPTIONS AND ATTITUDES ABOUT SCHOOL GRADING PRACTICES AMONG INTELLECTUALLY GIFTED,LEARNING-DISABLED,AND NORMAL ELEMENTARY SCHOOL PUPILS. 1987.
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