au.\*:("OLUIKPE GC")
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A TABLE FOR UPPER-LOWER NUMBER-RIGHT DIFFERENCE (D) AS AN INDEX OF ITEM DISCRIMINATORY POWEROLUIKPE GC.1982; BR. J. EDUC. PSYCHOL.; ISSN 0007-0998; GBR; DA. 1982; VOL. 52; NO 1; PP. 121-124; BIBL. 2 REF.Article
