1. A. Taufiq , PL Prianto , And HL Mikarsa , Children's Education in Elementary School. South Tangerang : Open University , 2016 . A. Taufiq, PL Prianto, And HL Mikarsa, Children's Education in Elementary School. South Tangerang: Open University, 2016.
2. S. Anita , Learning Strategies in Elementary School . Jakarta : Open University , 2008 . S. Anita, Learning Strategies in Elementary School. Jakarta: Open University, 2008.
3. M. Jamaris , A New Orientation In Educational Psychology . Bogor : Ghalia Indonesia , 2013 . M. Jamaris, A New Orientation In Educational Psychology. Bogor: Ghalia Indonesia, 2013.
4. CW Rakasiwi And A. Muhtadi , “ Developing Educational Games For Mathematics Learning To Improve Learning Motivation And Outcomes ,” Vol. 23 , No. April, PP. 49–57, 2021 . CW Rakasiwi And A. Muhtadi, “Developing Educational Games For Mathematics Learning To Improve Learning Motivation And Outcomes,” Vol. 23, No. April, PP. 49–57, 2021.
5. BS Bloom , MD Engelhart , EJ Furst , WH Hill , And DR Krathwohl , Taxonomy Of Educational Objective. 1956 . BS Bloom, MD Engelhart, EJ Furst, WH Hill, And DR Krathwohl, Taxonomy Of Educational Objective. 1956.