Document Type : Original Article
Author
In Country Value Manager Under the operation and maintenance contract for the assets of the Oman Water and Wastewater Services Company( Nama), Sultanate of Oman
Abstract
Keywords
Article History
Receive Date: 2023/7/25
Accept Date: 2023/8/26
Publish Date: 2023/11/10
![]()
Articles on International Journal of advanced humanities Research (IJAHR) website are published under the Creative Commons license (CC BY-NC 4.0).
https://creativecommons.org/licenses/by-nc/4.0/

Articles on International Journal of advanced humanities Research (IJAHR) website are published under the Guidelines on Good Publication Practice Committee on Publication Ethics (COPE)
https://publicationethics.org/guidance/Guidelines