Ika Pratiwi Simbolon et al. 2025. Sustainable Economic Development through Downstream Frankincense (Styrax Benzoin) Production in an Effort to Increase Farmers’ Income in North Sumatra. Indonesian Journal of Business Analytics . 5, 6 (Dec. 2025), 3784–3801. DOI:https://doi.org/10.55927/ijba.v5i6.15903.