Oracle Application Express by Design: Managing Cost, Schedule, and QualityPaperback, 3 November 2017

Teaches you to build optimal APEX designs that maximize value for your enterprise
Shows you how to optimize complex, interrelated, and conflicting design decisions
Presents ways to tailor large cloud and enterprise APEX applications to fit your environment and culture
Guides you through important, up-front APEX design decisions
Helps you to optimize your design by keeping all stakeholders in mind
Provides explicit code examples to demonstrate how design impacts cost, schedule, and quality