Oracle E-Business Suite Release 11i Technology Stack Documentation Roadmap (Doc ID 207159.1)
Oracle E-Business Suite Release 11i High Availability Documentation Roadmap (Doc ID 1072807.1)
Export/import notes on Applications 11i Database 11g (Doc ID 557738.1)
Export/Import Process for EBS 11i on RDBMS 12c (Doc ID 1585257.1)
https://expertoracle.com/2014/12/11/upgrade-database-9-2-0-6-to-11-2-0-4-in-ebs-11i-part-2-in-11i-to-r12-1-3-upgrade-series/