Author
Ceylon. Dept. of Rural Development and Small Industries
1
Haryana (India). Planning Dept
1
Indonesia. Kantor Statistik Kotamadya Jambi
1
Indonesia. Kantor Statistik Prop. Sum. Utara
2
Indonesia. Kantor Statistik Propinsi Jambi
1
Indonesia. Kantor Statistik Propinsi Lampung
1
Union Agricultural Society (Chicago, Ill.)
2
United Nations. Economic Commission for Africa
1