1. Central Bureau of Statistics of West Kalimantan, West Kalimantan in Figures 2019 (Pontianak: BPS, 2020).
2. National Land Agency, Taken back from www.peta.bpn.go.id, 2019.
3. A. Miftachuddin, Analysis of the efficiency of rice farming production factors in Undaan District, Kudus Regency (Department of Development Economics, Faculty of Economics, State University of Semarang, 2014).
4. Purwono and H. Purnamawati, Cultivation of 8 Superior Food Types (Depok: Self-Help Spreader, 2007).
5. Potential for a New Generation of Biodiversity in Agroecosystems of the Future