著者
Singapore. Dept. of Statistics
3
Norway. Statistisk sentralbyrå
2
Rajasthan (India). Directorate of Economics & Statistics
2
All Pakistan Textile Mills Association
1
Bangladesh. Directorate of Primary Education
1
India. Department of Mines
1
India. Directorate-General of Mines Safety
1
Indonesia. Kantor Statistik Propinsi DKI Jakarta
1
Madhya Pradesh (India)
1
Madhya Pradesh (India). Directorate of Economics and Statistics
1
Mexico. Ministerio de Fomento
1
Second Primary Education Development Program (Bangladesh)
1