http://www.commercialarchitecturemagazine.com http://www.commercialarchitecturemagazine.com/digital/nov2016 http://www.certainteed.com/foundations-productive-office-design/ https://www.wbdg.org/ccb/GSAMAN/gsa_soundmatters.pdf http://www.hermanmiller.com/research/research-summaries/its-a-matter-of-balance-new-understandings-in-open-plan-acoustics.html http://rwiumbraco-rfn.inforce.dk/media/3112732/inspired%20by%20you%2003%20-%20na%20-%2022-02-2016.pdf http://www.who.int/quantifying_ehimpacts/publications/e94888/en/ http://www.commercialarchitecturemagazine.com