1. To retrieve information about a repository.
https://ijhar.net/oai/view?verb=Identify
2. To retrieve the set structure repository.
https://ijhar.net/oai/view?verb=ListSets
3. To retrieve the metadata formats.
https://ijhar.net/oai/view?verb=ListMetadataFormats
4. To harvest records from repository.
https://ijhar.net/oai/view?verb=ListRecords&metadataPrefix=oai_dc
5. To retrieve an individual metadata record from repository
https://ijhar.net/oai/view?verb=GetRecord&identifier=oai%3Aijhar%3Aarticle-23&metadataPrefix=oai_dc
6. To retrieve an abbreviated form of List Records, retrieving only one category
https://ijhar.net/oai/view?verb=ListRecords&metadataPrefix=oai_dc&set=1