Spelling suggestions: "subject:"agricultural systems -- fpractice"" "subject:"agricultural systems -- apractice""
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A study to determine some of the influences effecting the trial and completion of improvable farm practices by evening school studentsWall, Robert Alexand January 1935 (has links)
.S.
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A study to determine some of the influences effecting the trial and completion of improvable farm practices by evening school studentsWall, Robert Alexand January 1935 (has links)
M.S.
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