Colón Colón, Sol L. <br/><br/>
Landfarming of activated sludge 
Sol L. Colón Colón. 
 -  1980. 
 - 60 p.  ill. 
<br/><br/>Thesis (M.B.A)--Catholic University of Puerto Rico. 
<br/><br/>Bibliography : p. 60. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Pontificia Universidad Católica de Puerto Rico--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage sludge.<br/>Sewage--Purification--Activated sludge process.
<br/><br/><label>LC Class. No.: </label>HD4013 
<br/><br/><label>Dewey Class. No.: </label>6