Meriem Nefzaoui. (5/2/2016). Phenotypic and Molecular Characterization of Cactus Pear Accessions from Mediterranean and Brazil Collections. Recife, Brazil: University of Tunis El Manar (UTM)
Nidanampally, K (2017) Urban expansion impact on agriculture: A case study on Hyderabad, India. Masters thesis, Jawaharlal Nehru Technological University, Hyderabad
Eugelink, Hilde; Laureys, François, 'Santé : En connaître un rayon', ICT Update, vol. 48, Technical Centre for Agricultural and Rural Cooperation, Wageningen, 2009