1. Oldeman L (1992) The global extent of soil degradation. In: ISRIC bi-annual report 1991–1992, 19–36. International Soil Reference and Information Centre, Wageningen
2. Global Environment Facility-GEF (2019) Land degradation report. https://www.thegef.org/sites/default/files/publications/gef_land_degradation_bifold_2019.pdf
3. FAO (2011) Land degradation assessment in drylands: manual for local level assessment of land degradation and sustainable land management. Part 2: Field methodology and tools. food and agriculture organization of the United Nations, Rome, Italy
4. Pirsaheb M, Nouri M, Karimi H, Mustafa Y, Hossini H, Naderi Z (2020) Occurrence of residual organophosphorus pesticides in soil of some Asian countries, Australia and Nigeria. In: IOP conference series: materials, science and engineering, vol 737, p 012175
5. Neamat S, Karimi H (2020) A systematic review of GIS-based landslide hazard mapping on determinant factors from international databases. In: 2020 international conference on advanced science and engineering (ICOASE), 2020, pp 180–183. https://doi.org/10.1109/ICOASE51841.2020.9436611