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Submitted on: 01 October 2001.
Revised on: 10 December 2001.
Accepted on: 03 January 2002.
___________________INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY
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Submitted on: 04 January 1999.
Revised on: 04 February 1999.
Accepted on: 02 March 1999.
___________________INTERNATIONAL JOURNAL OF DAIRY TECHNOLOGY
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