Ningrum, U. S. A., Syahreza, D. S., Ovianti, W., Siburian, K. ., Khairunnisa, K., & Manurung, K. . (2024). The Impact of Product Development Challenges on Innovation Management of Charcoal Briquettes in Medan (Case Study: Rumah Briket Medan Amplas). Economic: Journal Economic and Business, 3(2), 43–47. https://doi.org/10.56495/ejeb.v3i2.581