Autor, A. C. (1977). Difficulties encountered by elementary school pupils in interpreting graphs.
Chicago Style (17th ed.) CitationAutor, Anita Clacio-. Difficulties Encountered by Elementary School Pupils in Interpreting Graphs. 1977.
MLA (9th ed.) CitationAutor, Anita Clacio-. Difficulties Encountered by Elementary School Pupils in Interpreting Graphs. 1977.
Warning: These citations may not always be 100% accurate.