Columbia subject headings:
Agricultural innovations--Nigeria--Kaduna State.
Cost and standard of living--Nigeria--Kaduna State.
Farmers--Nigeria--Kaduna State.
Kaduna State--Rural conditions.
Harvard subject headings:
Agricultural innovations--Nigeria--Kaduna State.
Agricultural innovations--Nigeria.
Cost and standard of living--Nigeria--Kaduna State.
Cost and standard of living--Nigeria.
Farmers--Nigeria--Kaduna State.
Kaduna State--Rural conditions.
Nigeria--Rural conditions.
Princeton subject headings: