Attached files
file | filename |
---|---|
EX-31.2 - EXHIBIT 31.2 - GTT Communications, Inc. | ex312gtt-4q2019exx3121.htm |
EX-31.1 - EXHIBIT 31.1 - GTT Communications, Inc. | ex311gtt-4q2019exx3111.htm |
EX-4.17 - EXHIBIT 4.17 - GTT Communications, Inc. | ex417gtt-exhibit4descr.htm |
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