Experimentation in caves painting (A comparative analysis): فريد خالد علوان. Al-Academy , [S. l.], n. 74, p. 47–64, 2016. DOI: 10.35560/jcofarts74/47-64. Disponível em: https://jcofarts.uobaghdad.edu.iq/index.php/jcofarts/article/view/688.. Acesso em: 4 may. 2024.