Null object (шаблон проєктування) (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Null object (шаблон проєктування)" in Ukrainian language version.

refsWebsite

Global rank Ukrainian rank

6^th place

6^th place

archive.org (Global: 6^th place; Ukrainian: 6^th place)

Fowler, Martin (1999). Refactoring. Improving the Design of Existing Code. Addison-Wesley. ISBN 0-201-48567-2.