Costas Arroyo, Enrique. <br/><br/>
Depreciation allowances in a major oil refining company 
Enrique Costas Arroyo. 
 -  1977. 
 - 62 p  charts, tables. 
<br/><br/>Thesis (M.B.A.)--Catholic University of Puerto Rico. 
<br/><br/>Bibliography : p. [60-62]. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Pontificia Universidad Católica de Puerto Rico. --Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Depreciation allowances--Puerto Rico.
<br/><br/><label>LC Class. No.: </label>HD4013