Rotroff, Virgil H.
Work measurement - 1st ed. - New York Reinhold Publishing 1959 - 203 p. illus. 20 cm. - Reinhold management science series .
Work measurement
658.542 / ROT/1959
Work measurement - 1st ed. - New York Reinhold Publishing 1959 - 203 p. illus. 20 cm. - Reinhold management science series .
Work measurement
658.542 / ROT/1959