ABDUL GANI ABDUL AZIZ, D. Freehand Drawing Techniques Its Role in Architectural Design. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 16, n. 3, p. 1–13, 2008. DOI: 10.33899/rengj.2008.44685. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/31303. Acesso em: 5 sep. 2025.