Life cycle assessment of oil palm empty fruit bunch delignification using natural malic acid‑based low‑transition‑temperature mixtures: a gate‑to‑gate case study - Yiin, Chung Loong; Suzana, Yusup; Armando T., Quitain; Yoshimitsu, Uemura; Mitsuru, Sasaki; Tetsuya, Kida (Springer, 2018)