Gołaś, Z. and Kozera, M. (2003) “Technical, Economical and Social Conditions for Diversification of Labour Productivity in Family Farms”, Journal of Agribusiness and Rural Development, 2(358), pp. 51-70. Available at: http://www1.up.poznan.pl/jard/index.php/jard/article/view/1048 (Accessed: 19September2024).