Open Archives Initiative
[ar] الأرشيف المفتوح
[bg] Open Archives Initiative
[bn] ওপেন আর্কাইভ্‌স ইনিশিয়েটিভ
[ca] Open Archives Initiative
[de] Open Archives Initiative
[el] Open Archives Initiative
[fr] Open Archives Initiative
[it] Open Archives Initiative
[nl] Open Archives Initiative
[tr] Açık Arşiv Girişimi