52-109F2 - Certification of interim filings - CEO (E) | 25 Oct 2017 | |
52-109F2 - Certification of interim filings - CFO (E) | 25 Oct 2017 | |
52-109F2 - Certification of interim filings - CEO (E) | 01 Aug 2017 | |
52-109F2 - Certification of interim filings - CFO (E) | 01 Aug 2017 | |