KIAGUS AHMAD RONI*, M. BURHAN YUSUF, INDRA PRATAMA, MITA YULIA KURNIATI, NETTY HERAWATI. Increasing Bioethanol Content From Pineapple Skin Using Catalyst Waste as Adsorben Results from Cracking Process in PT. PERTAMINA RU III. International Journal of Advanced Science and Technology, v. 29, n. 08, p. 5254 - 5258, 1 Sep. 2020.