Fikri, A. and Marodiyah, I. (2026) “Quality Control Analysis of the Arrival Washed Sand Material Using Statistical Process Control (SPC) Method at PT. XYZ: Analisis Pengendalian Kualitas Kedatangan Material Pasir Cuci Menggunakan Metode Statistical Process Control (SPC) Pada PT. XYZ”, Procedia of Engineering and Life Science, 10(1), pp. 167–175. doi: 10.21070/pels.v10i1.3140.