Votrin, Valery (January 2005). «The Orthodoxy and Sustainable Development a Potential for Broader Involvement of the Orthodox Churches in Ethiopia and Russia». Environment, Development and Sustainability7 (1): 9-21. doi:10.1007/s10668-003-5053-9.
Gebremariam, Kidane Fanta; Kvittingen, Lise; Nicholson, David Graham (28 de septiembre de 2016). «Multi-analytical investigation into painting materials and techniques: the wall paintings of Abuna Yemata Guh church». Heritage Science4 (1). doi:10.1186/s40494-016-0101-6.