1. Abdi OA, Glover EK, Luukkanen O (2013) Causes and impacts of land degradation and desertification: case study of the Sudan. Int J Agric for 3(2):40–51
2. Afrasinei GM (2016) Study of land degradation and desertification dynamics in North Africa areas using remote sensing techniques
3. Asia C (1953) Geography of India
4. Asmah S, Ghazali A, Syafiq M, Yahya MS, Peng TL, Norhisham AR, Lindenmayer DB et al (2017) Effects of polyculture and monoculture farming in oil palm smallholdings on tropical fruit‐feeding butterfly diversity. Agric For Entomol 19(1):70–80
5. Babu CM (2016) Critical appraisal of meteorological drought indices: a case study on the Ananthapur district. Int J Adv Res 4(3):1705–1717