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21. Deferred revenue | 12 Months Ended
--- | ---
Dec. 31, 2018
Deferred Revenue |
Deferred revenue |
|  | 12.31.18 |  | 12.31.17
Non-current |  |  |  |
Nonrefundable customer contributions |  | 275,437 |  | 287,384
Total Non-current |  | 275,437 |  | 287,384
|  | 12.31.18 |  | 12.31.17
Current |  |  |  |
Nonrefundable customer contributions |  | 5,346 |  | 4,961
Total Current |  | 5,346 |  | 4,961

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- Definition The disclosure of deferred income. [Refer: Deferred income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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