Citation: Bj. Reys et al., THE DEVELOPMENT OF COMPUTATION IN 3 JAPANESE PRIMARY-GRADE TEXTBOOKS, The Elementary school journal, 96(4), 1996, pp. 423-437
Citation: Re. Reys et al., MENTAL COMPUTATION PERFORMANCE AND STRATEGY USE OF JAPANESE STUDENTS IN GRADES 2, 4, 6, AND 8, Journal for research in mathematics education, 26(4), 1995, pp. 304-326
Citation: Lo. Lembke et Bj. Reys, THE DEVELOPMENT OF, AND INTERACTION BETWEEN, INTUITIVE AND SCHOOL-TAUGHT IDEAS ABOUT PERCENT, Journal for research in mathematics education, 25(3), 1994, pp. 237-259