2024-07-17T12:18:00Z https://academicjournals.org/oai-pmh/handler The argument 'oai%3Aacademicjournals.org%3AJNSP%3AE99A8DD65203' (value='') included in the request is not valid. The argument 'identifier' (value='oai%3Aacademicjournals.org%3AJNSP%3AE99A8DD65203') included in the request is not valid. The combination of the given values results in an empty list.