Ilman, Agung. Efektivitas Pelaksanaan Quality Control Pada Ultra Filtration Guna Mengefisiensi Energi di Unit Amoniak 1a PT. Petrokimia Gresik. JISS [Internet]. 2021Jul.21 [cited 2025Dec.26];2(07):1115-32. Available from: https://www.jiss.publikasiindonesia.id.solusipublish.com/index.php/jiss/article/view/363