Anfossi, Agustin. <br/><br/>
Curso de trigonometria rectilinea. 

 - 17a. Ed. 
 - Mexico, Mexico   Progreso.  1981 
 - xvi, 223 p. 21 cm.     
<br/><br/><label>Subjects--Topical Terms: </label><br/>TRIGONOMETRIA PLANA.
<br/><br/><label>Dewey Class. No.: </label>514.5/An39t/1981