Afif, F., C. Kusmindari, and S. Hardini. “ANALISIS KUALITAS CRUDE PALM OIL MENGGUNAKAN METODE SEVEN TOOLS DAN KONSEP KAIZEN”. Jurnal Tekno, vol. 15, no. 1, Oct. 2019, pp. 18-31, https://journal.binadarma.ac.id/index.php/jurnaltekno/article/view/637.