Mustafa, S. et al. 2026. The Effect of Relevant Costs on the Income of Traditional Cake Traders with Local Wisdom Mopo’o Tanggalo Duhelo as a Moderation Variable. Economics and Digital Business Review. 7, 2 (Jun. 2026), 320–335. DOI:https://doi.org/10.37531/ecotal.v7i2.3945.