RAHAYU, Poppy; 						BERNIK, Merita.
Peningkatan Pengendalian Kualitas Produk Roti  dengan Metode Six Sigma Menggunakan New & Old 7 Tools.
<strong>Jurnal Bisnis dan Kewirausahaan</strong>, [S.l.], v. 16, n. 2, p. 128-136, july 2020.
ISSN 2580-5614.
Available at: &lt;<a href="https://ojs.pnb.ac.id/index.php/JBK/article/view/1996" target="_new">https://ojs.pnb.ac.id/index.php/JBK/article/view/1996</a>&gt;. Date accessed: 20 apr. 2024.
doi: <a href="http://dx.doi.org/10.31940/jbk.v16i2.1996">http://dx.doi.org/10.31940/jbk.v16i2.1996</a>.