id	domain	url
hassl-787	crossmark.crossref.org	http://crossmark.crossref.org/dialog/?doi=10.18488/journal.73/2017.5.2/73.2.29.35
hassl-787	scholar.google.com	https://scholar.google.com/scholar?hl=en&q=the%20importance%20of%20eye%20contact%20in%20the%20classroom
hassl-787	scholar.google.com	https://scholar.google.com/scholar?hl=en&q=the%20importance%20of%20non-verbal%20communication%20in%20classroom%20management
hassl-787	dx.doi.org	http://dx.doi.org/10.1016/j.sbspro.2009.01.254