de Moreau, Margaret, and Elizabeth M. Koppitz. “Relationship Between Goodenough Draw-A-Man Test IQ Scores and Koppitz Human Figure Drawing Scores”. Revista Interamericana de Psicología/Interamerican Journal of Psychology 2, no. 1 (April 19, 2017). Accessed April 29, 2024. https://journal.sipsych.org/index.php/IJP/article/view/465.