RAHMAN DA, HARAHAP AFP, GOZAN MA. Techno-economic evaluation of integrated levulinic acid, formic acid, and furfural plant from oil palm empty fruit bunch with pre-treatment variations. MP [Internet]. 2022 Apr. 28 [cited 2024 Dec. 4];90(1). Available from: http://mp.iribb.org/mpjurnal/article/view/485