Submitted on: 03 April 2017.
Revised on: 31 May 2017.
Accepted on: 29 July 2017.
___________________Afghanistan---EDINBURGH UNIV PRESS
Submitted on: 30 April 2001.
Revised on: 25 June 2001.
Accepted on: 14 August 2001.
___________________Afghanistan---EDINBURGH UNIV PRESS
Submitted on: 18 April 1998.
Revised on: 10 May 1998.
Accepted on: 13 June 1998.
___________________Afghanistan---EDINBURGH UNIV PRESS
Submitted on: 29 June 2021.
Revised on: 14 October 2021.
Accepted on: 07 November 2021.
___________________Afghanistan---EDINBURGH UNIV PRESS
Submitted on: 17 November 2013.
Revised on: 23 February 2014.
Accepted on: 18 April 2014.
___________________Afghanistan---EDINBURGH UNIV PRESS
Submitted on: 09 September 2001.
Revised on: 10 October 2001.
Accepted on: 18 November 2001.
___________________Afghanistan---EDINBURGH UNIV PRESS
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Submitted on: 16 March 2001.
Revised on: 14 May 2001.
Accepted on: 06 June 2001.
___________________Afghanistan---EDINBURGH UNIV PRESS