Planning stage of on farm research
Tripp, Robert
Planning stage of on farm research identifying factors for experimentatiop - Colombia Director General Publication 1998 - 85
968612702X
Agricultural ResearchAgricultural SciencesAgricultural Development
63.001.5:631.1 / TRI-P
Planning stage of on farm research identifying factors for experimentatiop - Colombia Director General Publication 1998 - 85
968612702X
Agricultural ResearchAgricultural SciencesAgricultural Development
63.001.5:631.1 / TRI-P