2147-6985
1308-2922
Tri-annual
2008
0 0
1301-0085
2015
37.085 75.099
2147-5881
1300-7009
Yıllık
2015
83.540 161.876
2148-4899
Yılda 2 Sayı
2014
10.720 11.636
    • 1 (current)