HIMAWAN, Abdurrahman Faris Indriya; 						AL HABTSI, Muhammad Abidhin.
 PENGENDALIAN KUALITAS PRODUK NPK PHONSKA DENGAN METODE STATISTICAL PROCESSING CONTROL PADA UNIT PRODUKSI 2A PT. PETROKIMIA GRESIK..
<strong>Jurnal Manajerial</strong>, [S.l.], v. 5, n. 1, p. 75-83, apr. 2019.
ISSN 2621-5055.
Available at: &lt;<a href="https://journal.umg.ac.id/index.php/manajerial/article/view/849" target="_new">https://journal.umg.ac.id/index.php/manajerial/article/view/849</a>&gt;. Date accessed: 24 apr. 2024.
doi: <a href="http://dx.doi.org/10.30587/jurnalmanajerial.v5i1.849">http://dx.doi.org/10.30587/jurnalmanajerial.v5i1.849</a>.