Mujahidin, A.I. 2026. Website Design for Concrete Product Promotion at PT Varia Usaha Bangkalan Madura: Perancangan Website Untuk Promosi Produk Beton di PT Varia Usaha Bangkalan Madura. Indonesian Journal of Innovation Studies. 26, 1 (Oct. 2026), 10.21070/ijins.v26i1.2401. DOI:https://doi.org/10.21070/ijins.v26i1.2401.