| How to cite this article:
M.N. Bari, M.Z. Alam, S.A. Muyibi, P. Jamal and A.A. Mamun, 2010. Effect of Particle Size on Production of Citric Acid from Oil Palm Empty Fruit Bunches as New Substrate by Wild Aspergillus niger. Journal of Applied Sciences, 10: 2648-2652.