Productivity of three varieties of local upland rice on swidden agriculture field in setulang village, north kalimantan, indonesia
พ.ศ. 2563
Short communication: Diversity of plant species growing during fallow period of shifting cultivation and potential of its biomass for sustainable energy production in Mahakam Ulu, East Kalimantan, Indonesia
พ.ศ. 2562
Changes in stand structure and environmental conditions of a mixed deciduous forest after logging and shifting cultivation in Lao PDR