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ACKNOWLEDGEMENTS
I would like to express my sincere gratitude and appreciation to the many people, who
either through word or deed, ensured the completion of this project :
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Dear God who accompanied me in thoughts and effort and granted me
the opportunity to undertake this task according to His given abilities;
Prof. G. Urbani who inspired and motivated me with his enthusiasm and
dedication, for the many sacrifices he made, and for his guidance and
interest shown throughout the planning and writing of this dissertation,
and for his friendship and confidence in my abilities;
Reshma Dayal for the editing of the text in this study and her efforts to
improve my ability in this regard;
Dirk Bakker, for his patience and his thorough and critical reading of
this dissertation and helpful suggestions;
Ashveer and Sudhir who patiently typed the major part of this study;
A special "thank you" to Daya, Sally, Stephen and Kathy of Computer
Services, University of Natal, for their assistance and guidance;
To my friends who offered help and encouragement in my many
moments of frustration, your help and encouragement are very much
appreciated ; and
Finally, to my mother and brother-in-law, whose unfailing support and
encouragement enabled me to complete this study, a special "thank you."