Submitted on: 02 August 2002.
Revised on: 30 September 2002.
Accepted on: 01 November 2002.
___________________African Journal of Agricultural and Resource Economics-AFJARE
http://reply.papertrans.cn/1/9/895/895-22.png
Submitted on: 30 September 2004.
Revised on: 03 December 2004.
Accepted on: 04 January 2005.
___________________African Journal of Agricultural and Resource Economics-AFJARE
Submitted on: 20 December 1998.
Revised on: 18 March 1999.
Accepted on: 01 April 1999.
___________________African Journal of Agricultural and Resource Economics-AFJARE
Submitted on: 23 February 2003.
Revised on: 18 April 2003.
Accepted on: 14 May 2003.
___________________African Journal of Agricultural and Resource Economics-AFJARE
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Submitted on: 19 April 1999.
Revised on: 29 June 1999.
Accepted on: 09 August 1999.
___________________African Journal of Agricultural and Resource Economics-AFJARE
Submitted on: 26 June 2011.
Revised on: 02 September 2011.
Accepted on: 12 September 2011.
___________________African Journal of Agricultural and Resource Economics-AFJARE
Submitted on: 14 July 2010.
Revised on: 25 August 2010.
Accepted on: 27 September 2010.
___________________African Journal of Agricultural and Resource Economics-AFJARE
Submitted on: 16 April 2001.
Revised on: 12 August 2001.
Accepted on: 29 September 2001.
___________________African Journal of Agricultural and Resource Economics-AFJARE