Classification x Source: Corley, R.H.V. and P.B. Tinker. 2003. The Oil Palm. Fourth Edition. Blackwell Science, Oxford. Fairhurst, Thomas and Rolf Härdter. 2003. Oil Palm: Management for Large and Sustainable Yields. Potash & Phosphate Institute (PPI), Potash & Phosphate Institute of Canada (PPIC) and International Potash Institute (IPI). Fauzi, Yan, Yustina E. Widyastuti, Iman Satyawibawa, … Continue reading Classification