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Submitted on: 23 December 2023.
Revised on: 11 March 2024.
Accepted on: 05 May 2024.
___________________EGYPTIAN JOURNAL OF CHEMISTRY---NATIONAL INFORMATION & DOCUMENTATION CENTRE-NIDOC
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Submitted on: 03 February 2007.
Revised on: 12 May 2007.
Accepted on: 27 June 2007.
___________________EGYPTIAN JOURNAL OF CHEMISTRY---NATIONAL INFORMATION & DOCUMENTATION CENTRE-NIDOC