STATEMENT OF ORIGINALITY
I certify that this thesis is absolutely my own work. I am completely
responsible for the content of this thesis. Opinions or findings of others are
quoted and cited with respect to ethical standard. If at a later time it is found
that this thesis is a product of plagiarism, i am willing to accept any legal
consequences that may be imposed to me.
Semarang, 27 October 2016
Shela Nurita