1. Agricultural Sample Survey 2003/2004, Vol. 1: Area and Production of Major Crops;Central Statistical Agency,2004
2. Agricultural Sample Survey 2004/2005, Vol. 1: Area and Production of Major Crops;Central Statistical Agency,2005
3. Agricultural Sample Survey 2005/2006, Vol. 1: Area and Production of Major Crops;Central Statistical Agency,2006
4. Agricultural Sample Survey 2006/2007, Vol. 1: Area and Production of Major Crops;Central Statistical Agency,2007
5. Agricultural Sample Survey 2007/2008, Vol. 1: Area and Production of Major Crops;Central Statistical Agency,2008