Safrizal, and Siti Zulaikha. “PENGENDALIAN KUALITAS DENGAN METODE STATISTICAL QUALITY CONTROL PADA RAMADHANI BAKERY AND CAKE”. Jurnal Samudra Ekonomika 5, no. 1 (April 19, 2021): 100-113. Accessed April 28, 2024. https://ejurnalunsam.id/index.php/jse/article/view/3449.