Methods of farm management investigations for improving farm productivity.
Yang, Wei,
Methods of farm management investigations for improving farm productivity. Wei, Yang - Rome, Food and Agriculture Organization of the United Nations, 1958. - ix, 228 p. diagrs., tables.
includes bibliographic reference
Farm management--Research.
S401.U6 / A13
Methods of farm management investigations for improving farm productivity. Wei, Yang - Rome, Food and Agriculture Organization of the United Nations, 1958. - ix, 228 p. diagrs., tables.
includes bibliographic reference
Farm management--Research.
S401.U6 / A13