10Q 3rd Qtr 2018 Final

XBRL Files


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Description Document
XBRL INSTANCE DOCUMENT zgsi-20180930.xml
XBRL TAXONOMY EXTENSION SCHEMA zgsi-20180930.xsd
XBRL TAXONOMY EXTENSION CALCULATION LINKBASE zgsi-20180930_cal.xml
XBRL TAXONOMY EXTENSION DEFINITION LINKBASE zgsi-20180930_def.xml
XBRL TAXONOMY EXTENSION LABEL LINKBASE zgsi-20180930_lab.xml
XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE zgsi-20180930_pre.xml