Refbacks
- There are currently no refbacks.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
|
Armanila Armanila
Universitas Alwashliyah Medan
Indonesia
Susanti Nirmalasari
Universitas Alwashliyah Medan
Indonesia
Alfira Damayanti
Universitas ALwashliyah Medan
Indonesia
The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).
If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.
Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.