8Cox Anne, Le Viet. Governmental influences onthe evolution of agricultural cooperatives in Vietnam: an in- stitutional perspective with case studies. Asia Pacific Business Review,2014,20(3) :401-418.
9Galdeano - G6mez, E. Gospedes - Lorente, J. and Rodriguez- Rodriguez, M. : Productivity and Environ- mental Performance in Marketing Cooperatives: An Analysis of the Spanish Horticultural Sector, Journal of Agricultural Economics, 2006, 57 (3): 479-500.
10Enke S: Consumer Cooperatives and Economic Ef- ficiency. American Economic Review, 1945, 35 ( 1 ) : 148 -155.