00541nam a2200181 a 4500 20181210082702.0 860814s1969 enka b 001 0 eng DLC BD-DhBPA BD-DhBPA 658.54 LAW 1969 Larkin , John A 77171 Work study : John A Larkin theory and practice / New York : McGraw-Hill, 1969 246 p. ; 23 cm. Zahid Time and motion study. 137647 Production management. 137648 ddc BK 49424 49424