Boon, Gerard Karel <br/><br/>
Economic choice of human and physical factors in production;  an attempt to measure the micro-economic and macro-economic possibilities of variation in factor proportions of production. 

 - Amsterdam,  North-Holland Pub. Co.,  1964. 
<br/><br/> Proefschrift--Rotterdam. 
<br/><br/>Bibliography: p. 323-325. 
<br/><br/><label>LCCN: </label>66001999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor productivity -- Case studies.--Labor productivity -- Case studies.
<br/><br/><label>LC Class. No.: </label>HD57  / .B58