Tesfay, Abadi, Emiru Birhane, Kiros Gebrehiwot, Girmay Tesfay, Negasi Solomon, Buruh Abebe, Tesfay Araya, Mebrahtu Brhan, and Meley Mekonen Rannestad. 2023. “Sustainability of Frankincense Production in Tigray, Ethiopia: An Emergy Synthesis”. Journal of Forest Business Research 2 (2):85-113. https://doi.org/10.62320/jfbr.v2i2.39.