This volume presents a curated collection of research from the World Congress on Engineering and Computer Science (WCES 2009). It comprises thirty-nine meticulously revised and extended articles contributed by leading experts in the field. The compilation showcases significant advancements across various engineering technologies. This work is intended to serve as a valuable reference for both active researchers and students pursuing studies in engineering technologies.

This collection represents a snapshot of engineering and computer science advancements as presented at WCES 2009. The inclusion of revised and extended articles suggests a focus on detailed technical contributions. The stated purpose as a reference work indicates its intended audience comprises academics and professionals seeking in-depth technical information. The compilation likely offers a broad overview of contemporary research within its scope.