| 27.12.2011. | Business news - Modernization of retail network - NIS a.d., Novi Sad - NIIS | | document
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| 23.12.2011. | Continuation of implementation of investment program into geological exploration - NIS a.d., Novi Sad - NIIS | | document
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| 21.12.2011. | Interim consolidated financial statements for Jan-Sep 2011 released - NIS a.d., Novi Sad - NIIS | | document
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| 20.12.2011. | Joint Oil and Gas Research Agreement with RAG for South Hungary - NIS a.d., Novi Sad - NIIS | | document
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| 16.12.2011. | Notice of announcement of 9-Month Consolidated Financial Report on 21.12.2011. - NIS a.d., Novi Sad - NIIS | | document
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| 02.12.2011. | Business news on HIP Petrohemija Pancevo - NIS a.d., Novi Sad - NIIS | | document
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