A journal is a regular publication that deals with a particular subject, and contains journal articles written by experts in that subject.
Journals articles are a great research resource:
You should use journal articles to do research for your assignments. The library has a wide range of journals with the majority available online as e-journals.
Jones, P. (2018). A 'smart' bottom-up whole-systems approach to zero carbon built environment, Building Research & Information, 46 (5), 566-577.
This article was written by Phil Jones, and the article's title is "A 'smart' bottom-up whole-systems approach to zero carbon built environment". It was published in 2018 in the journal called "Building Research & Information". It was published in volume 46, issue 5, and the article ran from page 566 to 577.