1. Department of Agricultural Extension, Faculty of Rural Development, University of Agriculture and Forestry, Hue University, Hue 530000, Vietnam
2. Department of Forest Management, Faculty of Forestry, University of Agriculture and Forestry, Hue University, Hue 530000, Vietnam
3. Department of Rural Development, Faculty of Rural Development, University of Agriculture and Forestry, Hue University, Hue 530000, Vietnam
4. Department of Sustainable Technologies, Faculty of Tropical AgriSciences, Czech University of Life Sciences, 165 00 Prague, Czech Republic