Nasr J. and P. Kaldjian, 1997.  "Agriculture in Middle Eastern Cities: Commonalities and Contrasts".  Arid Lands Newsletter, no. 42 (Fall 1997). http://ag.arizona.edu/OALS/ALN/aln42/nasr.html 

Smit, Jac, Joe Nasr and Annu Ratta, Urban Agriculture: Food, Jobs and Sustainable Cities (unpublished second edition, first published by UNDP), Chapter 2, “Urban Agriculture Yesterday and Today� (read pp. 9 - 27).