Nickel-Lanthanum Impregnated into Natural Zeolite as a Catalyst for Biofuel Production from Sunflower Oil via Hydrocracking Process. - Santiko, Erik Budi; Fauziah, Sarah; Priyanto, Sugeng; Yustinah, Y.; Marlinda, Lenny; Sudibyo, S.; Aziz, Abdul; Oktiarmi, Peri; Yati, Indri; Al Muttaqii, Muhammad (Bulletin of Chemical Reaction Engineering & Catalysis, 2026)