52-109F2 - Certification of interim filings - CFO (E) | 15 Nov 2021 | |
52-109F2 - Certification of interim filings - CEO (E) | 15 Nov 2021 | |
52-109F2 - Certification of interim filings - CFO (E) | 13 May 2021 | |
52-109F2 - Certification of interim filings - CEO (E) | 13 May 2021 | |