Sari, E., Effendy, M., Kanani, N., Wardalia, .-., & Rusdi, .-. (2018). Utilization of Empty Fruit Bunch Fiber of Palm Oil Industry for Bio-Hydrogen Production. International Journal on Advanced Science, Engineering and Information Technology, 8(3), 842–848. https://doi.org/10.18517/ijaseit.8.3.3985