Laurel Robertson (täsmennys)
"Laurel Robertson" koostuu ainakin 2 eri tekijästä. Heidät on jaoteltu teosten perusteella.
Tietoja tekijästä
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Laurel Robertson (2)
Number Power: A Cooperative Approach to Mathematics and Social Development : Grade 5 (1992) 2 kappaletta
Number Power: A Cooperative Approach to Mathematics and Social Development, Grade 3 (1993) 2 kappaletta
Number power : a cooperative approach to mathematics and social development Grade K [kindergarten] (1995) 1 kappale
Number Power Grade 2 (A Cooperative Approach to Mathematics and Social Development) (1993) 1 kappale
Laurel Robertson (ei tiedossa)
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