It is okay as long as there is no visible unclean elements
| Main Author: | |
|---|---|
| Format: | Newspaper |
| Language: | English |
| Published: |
2017
|
| Online Access: | http://psasir.upm.edu.my/id/eprint/59785/ http://psasir.upm.edu.my/id/eprint/59785/1/It%20is%20okay%20as%20long%20as%20there%20is%20no%20visible%20unclean%20elements.pdf |