Saha, J.K.; Panwar, N.; Vassanda Coumar, M. (2013) Effect of methods of preparation on distribution of heavy metals in different size fractions of municipal solid waste composts. Environmental Monitoring and Assessment 185: 8815-8821
CTA. 1987. Elevage et potentialités pastorales sahéliennes Publication de la synthèse cartographique sur le Niger. Spore 8. CTA, Wageningen, The Netherlands.