Bagus Kristomoyo Kristanto et al. 2025. Perancangan Digital Learning Hub ‘Sijawara’ Bagi UMKM di Jawa Timur. CESS (Journal of Computer Engineering, System and Science). 10, 2 (Jul. 2025), 494–506. DOI:https://doi.org/10.24114/cess.v10i2.66658.