Found 2 books

Expert Oracle Application Express Plugins · Building Reusable Components

[en] Expert Oracle Application Express Plugins · Building Reusable Components Apress

D'souza, Martin Giffy

download read it!
Expert Oracle Application Express

[en] Expert Oracle Application Express Apress

John Edward Scott, Dietmar Aust, Martin Giffy D'Souza, Doug Gault, Dimitri Gielis, Roel Hartman, Michael Hichwa, Sharon Kennedy, Denes Kubicek, Raj Mattamal, Dan McGhan, Francis Mignault, Anton Nielsen

download read it!