Please refer to the images. I'm using overleaf.
Reference in bib file
@book{addie_dalibor,
title={ADDIE model for development of e-courses},
author={ Drljaca Dalibor and Branco Latinovic and Zeljko Stankovic and Dragan Cvetkovic},
year={2017},
DOI={10.15308/Sinteza-2017-242-247},
url={https://www.researchgate.net/publication/316463437_ADDIE_model_for_development_of_e-courses},
Urldate = {Jan 28, 2011},
}


\usepackage[hyphens]{url}in your preamble and if the url still doesn't break nice check this https://tex.stackexchange.com/a/115820/120578 – koleygr Mar 26 '19 at 18:06