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://sthf.ac.id/jurnalintelektiva.com/index.php/jurnal/article/view/574. Acesso em: 26 jul. 2026.