1. Astimar AA, Anis M, Kamarudin H, Ridzuan R, Mat Soom R, Wan Hassan WH (2011) Chapter 28: Development in oil palm biomass utilization further advances in oil palm research (2000–2010). In: MPOB 2011, vol 2, pp 896–929
2. Khozirah S, Khoo KC, Ali ARM (1991) Oil palm stem utilization—review of a research. Forest Research Institute Malaysia (FRIM), 120 p
3. FRIM-UNEP (2012) UNEP. Converting waste oil palm trees into a resource, ed. Program 2012: Collaborative Project Report, U.N.E. Program, 200 p
4. MTIB (2015) Palm timber: a new source of material with commercial value, 87 p
5. Fruehwald A (2017) Presentation on drying of oil palm lumber