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
Lumban Tobing, Sheylin Wimora, Universitas Sumatera Utara
This work is licensed under a
Creative Commons Attribution 3.0 License
.
/> />