“The Effect of Catalyst Amount & Reacters Comperative on Glycerol Conversion From Castrol Oil With Catalyst Of Pertamina Cracking Process Unit III Palembang”. Jurnal Tekno, vol. 18, no. 2, Nov. 2021, pp. 71-80, https://doi.org/10.33557/jtekno.v18i2.1451.