상품명 : Impact Social Studies Explorer Magazine Grade 3 Our Communities Teaching Guides
상품명 : Impact Social Studies Explorer Magazine Grade 4 Regions of the United States Student's Book
상품명 : Impact Social Studies Explorer Magazine Grade 4 Regions of the United States Teaching Guides
상품명 : Impact Social Studies Explorer Magazine Grade 5 US History:Making a New Nation Teaching Guides
상품명 : Impact Social Studies Explorer Magazine Grade K Learning and Working Together Student's Book
상품명 : Impact Social Studies Explorer Magazine Grade K Learning and Working Together Teaching Guides
상품명 : Impact Social Studies Grade 1 Our Place in the World Teacher's Edition
상품명 : Impact Social Studies Grade 2 Exploring Who We Are Teacher's Edition
상품명 : Impact Social Studies Grade 3 Our Communities Teacher's Edition