Sarjan, muhamad 2019. 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, 2 (Aug. 2019). DOI:https://doi.org/10.29303/jwd.v1i2.60.