Mardiana, Nur, and Nunuk Latifah. “Penguatan Branding Dan Promosi Produk UMKM Blitar Melalui Whatsapp Business”. Jurnal SOLMA 14, no. 3 (November 30, 2025): 3398–3405. Accessed December 26, 2025. https://journal.uhamka.ac.id/index.php/solma/article/view/20638.