Analysis of information sources in references of the Wikipedia article "Kingdom Hall" in English language version.
The Regional Design/Construction Departments (RDC) in the Australasia, Central Europe, South Africa, and United States branches have been coordinating projects in their respective regions, with emphasis on building Kingdom Halls more speedily and economically. [...] And, at each branch, a Local Design/Construction Department (LDC) coordinates the construction and maintenance of Kingdom Halls and Assembly Halls.