“Analisis Pengendalian Kualitas Produk Paving Block Dengan Metode Statistical Quality Control”. Prosiding Seminar Nasional APTISI Riau Komda Dumai Duri 1, no. 1 (Januari 20, 2026): 99–106. Diakses Februari 24, 2026. https://ojs.aptisi-dumaiduri.org/index.php/prosiding/article/view/33.