Purinton Practical course in personal efficiency. 
Earle Purinton, Edward. 
 - New York  Independent Corporation.  1919 
 - 7 v. 
<br/><br/> Son 6.v.; elv.2. está en P43A  H162 
<br/><br/>1 v. How to measure your effciency.- 2 v. How to get ahead.- 3 v. How to keep well.- 4 v. How to improve your finances.- 5 v. How to organize your work.- 6 v. How to be efficient at home.- 7 v. How to plan your life. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Éxito<br/>Eficiencia.--Personal Efficiency.
<br/><br/><label>LC Class. No.: </label>BJ1611  / .P87