J. P. Nababan and W. Dari, “SISTEM INFORMASI PENJUALAN PETI MATI BERBASIS WEB DI CV. GEOJAYA NUSANTARA: WEB-BASED Coffin SALES INFORMATION SYSTEM IN CV. GEOJAYA NUSANTARA”, j. inti nm, vol. 17, no. 1, pp. 40–47, Oct. 2022.