Werner,Jargen. (1993). Participitary development of agricultural innovations: Procedures and methods of on -farm research. GTZ.
Chicago Edition CitationWerner,Jargen. Participitary Development of Agricultural Innovations: Procedures and Methods of on -farm Research. Germany: GTZ, 1993.
MLA Edition CitationWerner,Jargen. Participitary Development of Agricultural Innovations: Procedures and Methods of on -farm Research. GTZ, 1993.
Warning: These citations may not always be 100% accurate.