MUJAHIDIN, A. I. 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, [S. l.], v. 26, n. 1, p. 10.21070/ijins.v26i1.2401, 2026. DOI: 10.21070/ijins.v26i1.2401. Disponível em: https://ijins.umsida.ac.id/index.php/ijins/article/view/2401. Acesso em: 14 oct. 2026.