OPTIMALISASI STRATEGI PEMASARAN DIGITAL UMKM KERIPIK SINGKONG MBS MELALUI PENDEKATAN MARKETING MIX DI DESA KALIGEDE, KECAMATAN SENORI, KABUPATEN TUBAN. JCEE [Internet]. 2026 Jul. 24 [cited 2026 Jul. 24];4(1). Available from: http://www.journal.uaindonesia.ac.id/index.php/jcee/article/view/1493