Sarjan, muhamad. “KOPI SAJANG MENUJU DUNIA MELALUI PROMOSI DAN PEMBAHARUAN KEMASAN PRODUK SAJANG’S COFFEE TO WORLD THROUGH PROMOTION AND RENEWAL OF PACKAGING PRODUCTS”. Jurnal Warta Desa (JWD) 1, no. 2 (August 12, 2019). Accessed March 28, 2024. http://jwd.unram.ac.id/index.php/jwd/article/view/60.