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Authors
Ngcezu, Sonwabile Arthur
Rabus, Hans https://orcid.org/0000-0001-7700-9845
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Funding
Funding for this research was provided by:
Bundesministerium für Wirtschaftliche Zusammenarbeit und Entwicklung (Upgrading of quality infrastructure in Africa)
European Association of National Metrology Institutes (SIB06)
Physikalisch-Technische Bundesanstalt (PTB)
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Article History
Received: 9 November 2020
Accepted: 14 August 2021
First Online: 24 August 2021
Conflict of interest
: The authors declare that they have no competing interests.
