Haryani, Calandra, Ary Renaldi, Hery Hery, andree. widjaja, and Riswan Tarigan. 2025. “Perancangan E-Commerce Penjualan Beras Dan Kopi Di Kabupaten Lahat”. Jurnal Ilmiah Matrik 26 (3):209-15. https://doi.org/10.33557/jurnalmatrik.v26i3.3360.