Musyahadah, Bahrul, and Wiwik Sulistiyowati. “Regression Analysis of Imported and Used Raw Materials in Manufacturing: Analisis Regresi Bahan Baku Impor Dan Bekas Dalam Industri Manufaktur”. Procedia of Engineering and Life Science, vol. 8, no. 1, Nov. 2025, pp. 85-91, doi:10.21070/pels.v8i1.1841.