Kheloufi, A., L. Mounia Mansouri, and F. Zineb Boukhatem. “Application and Use of Sulphuric Acid Pretreatment to Improve Seed Germination of Three Acacia Species”. REFORESTA, no. 3, July 2017, pp. 1-10, doi:10.21750/REFOR.3.01.25.