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. PELS [Internet]. 2026 Oct. 5 [cited 2026 Oct. 31];10(1):167-75. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/3140