1. Asfaw , S Mithöfer , D Waibel , H What impact are EU supermarket standards having on developing countries export of high-value horticultural products? Evidence from Kenya
2. Belleti , G Burgassi , T Marescotti , A Scaramuzzi , S The effect of certification costs on the success of PDO/PGI
3. Price incentives for commercial fresh tomatoes;Bierlen;Journal of Agricultural and Applied Economics,1995
4. Brousseau , E Codron , J.M The combination of governance structures: Supplying French supermarkets with off-season fruit
5. CARE-Kenya 2010 http://www.care.or.ke/cashstrat.pdf