Utafutaji African Union Commission kwa Mwandishi "Nagy, Joseph G."
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RESUME DES ESSAIS DE RECHERCHE SOUS GESTION PAYSANNE
Ohm, Herbert W.; Nagy, Joseph G. (AU-SAFGRAD, 1984) -
SUMMARY OF FARMER-MANAGED RESEARCH TRIALS, 1984
Ohm, Herbert W.; Nagy, Joseph G.; Sawadogo, Sibiri (AU-SAFGRAD, 1984)