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Books about Oemar:
Kapita selekta hukum: Mengenang almarhum Prof. H. Oemar Seno Adji, S.H (1995)
Wiki information Oemar:
Oemar was an actor.
Hadji Oemar Said Tjokroaminoto was a nationalist, one of the leader of Syarekat Dagang Islam after the founder Haji Samanhudi, later became Sarekat Islam in Indonesia.