What is the minimum rubber price to stop farmers converting old growth forest into shifting cultivation? A case study from Pasaman District, West Sumatra Province, Indonesia
Assessing the feasibility of forest plantation of native species: A case study of Agathis dammara and Eusideroxylon zwageri in Balikpapan, East Kalimantan, Indonesia
พ.ศ. 2562
Communication networks for rubber marketing in Riau Province, Indonesia