Κανονική προβολή Προβολή MARC Προβολή ISBD

Pakenham-Walsh, Amory Allfrey

Work study on the farm / A. A. Pakenham - Walsh. - London: I. Pitman, [1961]. - xii, 80 p. : ill. ; 19 cm.

Includes bibliography and index.

Subjects--Topical Terms:
Farm management
Motion study
Time study