Halimah Muhamad, Ismail Bin Sahid, Salmijah Surif, Tan Yew Ai, & Choo Yuen May. (2012). A Gate-to-gate Case Study of the Life Cycle Assessment of an Oil Palm Seedling . Tropical Life Sciences Research, 23(1), 15–23. https://ejournal.usm.my/tlsr/article/view/tlsr_vol23-no-1-2012_2