Goshu, B. S., and Muhammad Ridwan. “The Chemistry of Devotion: Materials, Techniques, and Symbolism in Ethiopian Sacred Metalwork and Manuscript Illumination”. Lakhomi Journal Scientific Journal of Culture, Vol. 7, no. 3, July 2026, pp. 174-93, https://www.biarjournal.com/index.php/lakhomi/article/view/1546.