1. Labour on the Family Farm: A Theory and Some Policy Implications;Dawson;Journal of Agricultural Economics,1984
2. Folbre, Nancy (1984). Household Production in the Philippines: A Non-Neoclassical Approach, Economic Development and Cultural Change, 303-330.
3. Furtan, W. H. and J. S. Clark (1982). The Economic Organisation of Rural Households in Saskatchewan. Department of Agricultural Economics Technical Bulletin BL 1-82. Saskatoon: University of Saskatchewan.
4. Gibney, Shelley Jo (1983). The Economics of Fertility and Labour Supply in Rural Households. Unpublished M.Sc. Thesis. Department of Agricultural Economics. Saskatoon: University of Saskatchewan.
5. Shadow Prices, Market Wages, and Labour Supply;Heckman;Econometrica,1974