Rohmawati, Ainur, Nur Karomah Dwidayanti, and Sugiman Sugiman. 2018. “Perbandingan Metode Least Trimmed Square (LTS) Dan Scale (S) Pada Response Surface Methodology”. PRISMA, Prosiding Seminar Nasional Matematika 1 (February), 728-35. https://journal.unnes.ac.id/sju/prisma/article/view/19685.