“Pengaruh Temperatur Operasi Terhadap Penurunan Kadar Biuret Dalam Urea Prill Dari Evaporator Tingkat II Di PT. Pupuk Kaltim”. Journal of Chemical Process Engineering 5, no. 1 (May 31, 2019): 27–32. Accessed August 26, 2025. https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/853.