1) login to your CoSy account
2) click on Course materials in the leftside bar
3) click on the course type you need
4) the 2025 version can be found by clicking on : "original English course documents
Modified on: Wed, 22 Apr, 2026 at 7:54 AM
1) login to your CoSy account
2) click on Course materials in the leftside bar
3) click on the course type you need
4) the 2025 version can be found by clicking on : "original English course documents
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