Zuhri, Ach., and Kamala Rofi’ah. 2025. “Empirical Analysis of Production Costs, Business Duration and Selling Prices on the Income of Keris Craftsmen in the Village of Aeng Tong-Tong Sumenep”. International Conference On Economics Business Management And Accounting (ICOEMA) 4 (1):367-77. https://conference.untag-sby.ac.id/index.php/icoema/article/view/5604.