2024-08-16T12:51:00Z https://academicjournals.org/oai-pmh/handler The argument 'oai%3Aacademicjournals.org%3AIJPS%3A88918BD59981' (value='') included in the request is not valid. The argument 'identifier' (value='oai%3Aacademicjournals.org%3AIJPS%3A88918BD59981') included in the request is not valid. The combination of the given values results in an empty list.