1. Department of Forestry Science and Biodiversity, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
2. Department of Forestry, Faculty of Natural Resources and Environmental Sciences, University of Omar Al-Mukhtar Al-Bayda, Libya
3. Laboratory of Bioresource Management, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia (UPM) Serdang, Selangor, Malaysia