[외국도서] Dale Seymour Publications Problem Solving Experiences: Making Sense of Mathematics Class Set 1 Teacher Edition and 24 Student Editions Grade 5 2005c (Hardcover)
[외국도서] Dale Seymour Publications Problem Solving Experiences: Making Sense of Mathematics Class Set 1 Teacher Edition and 24 Student Editions Grade 4 2005c (Hardcover)
[외국도서] Dale Seymour Publications Problem Solving Experiences: Making Sense of Mathematics Class Set 1 Teacher Edition 12 Student Editions Grade 5 2005c (Hardcover)