Delignification kinetics of empty fruit bunch (EFB): a sustainable and green pretreatment approach using malic acid‑based solvents - Yiin, Chung Loong; Suzana, Yusup; Quitain, Armando T.; Uemura, Yoshimitsu; Sasaki, Mitsuru; Kida, Tetsuya (Springer, 2018)