Andrew J. Hamilton et al., ‘Give Peas a Chance? Urban agriculture in developing countries. A review’, Agronomy, 34:1 (January 2014), 54ff.
561
Food and Agriculture Organisation of the United Nations, FAO Statistical Yearbook 2012 (Rome, 2012), p. 214; Francesco Orsini et al., ‘Urban Agriculture in the Developing World: a review’, Agronomy for Sustainable Development 33:4 (2013), 700.
