the world of work is affected by the development of
the industrial revolution.
ACKNOWLEDGEMENTS
I would like to express my very great
appreciation to my mother, my husband and my
children for their support and encouragement
throughout my study.
I would like to express my very great
appreciation to Prof Dr. Prihatin Lumbanraja,
M.Si, Dr. Yeni Absah, M.Si, Dr. Amlys S
Silahahi (my research supervisor) of their patient
guidance, enthusiastic encouragement and useful
critiques of this research work and Their
willingness to give their time so generously has
been very much appreciated.
I would also like thank to Dr Endang Sulistya
Rini, M.Si, and Dr. Bebby Karina, M.Si for their
valuable and constructive suggestions during the
planning and development of this research work.
I would like to express my deep gratitude to
Universitas Muslim Nusantara Al Washliyah
Medan for their valuable support during my
study
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