DÜRÜST, M.Kamil. Varna’da Akyazılı Sultan Tekkesi. Journal of Waqfs, [S. l.], n. 20, p. 443–452, 1988. Disponível em: https://vakiflardergisi.org/index.php/pub/article/view/277. Acesso em: 23 mar. 2026.