Yang, W. Y.
Methods of farm management investigations for improving farm productivity / prepared by W.Y. Yang. - Rev. ed. - Rome : FAO, 1965. - xiii, 258 p. ; 23 cm. - FAO agricultural development paper ; no. 80. FAO agriculture series ; no. 11 .
4th printing 1980.
Bibliography: p. 254-258.
9251010161
Farm management--Research.
630.68 / Y22
Methods of farm management investigations for improving farm productivity / prepared by W.Y. Yang. - Rev. ed. - Rome : FAO, 1965. - xiii, 258 p. ; 23 cm. - FAO agricultural development paper ; no. 80. FAO agriculture series ; no. 11 .
4th printing 1980.
Bibliography: p. 254-258.
9251010161
Farm management--Research.
630.68 / Y22