Use "and" instead of &, unless part of a proper noun or a common abbreviation. For example: Notices and slips, not Notices & slips; Baker & Taylor, R&D.
Koha
Base terminology
Use "Koha", not "KOHA" or "koha" when referring to the Koha integrated library software and the Koha project. Koha is not an abbreviation, initialism, or acronym.
KOHA
Base terminology
Do not use. Use "Koha" when referring to the Koha integrated library software and the Koha project.