USU Conference Systems
Conference Help
User
Username
Password
Remember me
Notifications
View
Subscribe
/
Unsubscribe
Conference Content
Search
All
Authors
Title
Abstract
Index terms
Full Text
Browse
By Conference
By Author
By Title
Font Size
/>
Information
For Readers
For Authors
Home
Log In
Archive
Tracks
Registration Fee
Author Guideline
Home
>
Search
>
Author Details
Author Details
Siregar, Yulianta, <div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>Universitas Sumatera Utara</span></p></div></div></div>, Indonesia
This work is licensed under a
Creative Commons Attribution 3.0 License
.