Nurfathiyah, Sheila, and Mario Sariski. “Pengaruh Penambahan Filler Natrium Sulfat Terhadap Ketahanan Kemasan, Dimensi, Dan Cost Saving Pada Produk Jerigen Di PT. XYZ”. JOURNAL OF ENERGY, MATERIALS, & MANUFACTURING TECHNOLOGY , vol. 3, no. 02, July 2024, pp. 39-46, doi:10.61844/jemmtec.v3i02.783.