1. Some aspects of land and society in a Pangasinan community;Andersen;Philippine Sociological Review,1962
2. Key Indicators for Asia and the Pacific,2008
3. The Rice Economy of Asia. Resources for the Future;Barker,1985
4. Income dynamics, schooling investment, and poverty reduction in Philippine villages, 1985–2004;Cherdchuchai,2009
5. Modern Rice Technology and Income Distribution in Asia;David,1994