1. Department of Forestry and Wildlife Management, Federal University Gashua, Gashua 631101, Yobe State, Nigeria
2. Department of Forestry Science and Biodiversity, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
3. Department of Wood and Fiber Industries, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
4. Institute of Tropical Forestry and Forest Product, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
5. Department of Agribusiness and Bioresources Economic, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
6. Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia