Crow, J. E. (1977). Planning for agricultural development: A case study of Zinder, Niger. s.n..
Dyfyniad Arddull ChicagoCrow, John E. Planning for Agricultural Development: A Case Study of Zinder, Niger. [s.l.: s.n., 1977.
Dyfyniad MLACrow, John E. Planning for Agricultural Development: A Case Study of Zinder, Niger. s.n., 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.