TOPAN SETIAWAN; FANNY HENDRO ARYO PUTRO. OPTIMASI EKONOMI LESS CONTACT MELALUI TEKNIK DIGITAL MARKETING PADA INDUSTRI UMKM DI KECAMATAN SIMO KABUPATEN BOYOLALI. JURNAL EKONOMI, SOSIAL & HUMANIORA, [S. l.], v. 3, n. 04, p. 33–48, 2021. Disponível em: https://www.jurnalintelektiva.sthf.ac.id/index.php/jurnal/article/view/574. Acesso em: 3 jun. 2026.