Kristomoyo Kristanto, B. et al. 2026. Pengembangan Digital Learning Hub ‘Sijawara’ Bagi Koperasi Desa Merah Putih di Jawa Timur. CESS (Journal of Computer Engineering, System and Science). 11, 1 (Jan. 2026), 193–206. DOI:https://doi.org/10.24114/cess.v11i1.71941.