Calilung, Froilan Cruz <br/><br/>
Ecotar: fundamentals of college economics with taxation and agrarian reform/ 
Froilan Cruz Calilung, Edelberto C. Bunquin, Ma. Ruby Anne Maroma-Liwanag, and Andrea Lynne Bernardo-Tomagos 
 - Mandaluyong City:  Books Atbp. Publishing Corp,  c2013. 
 - vii, 278 pages :  illustrations ;  22 cm. 
<br/><br/>Includes bibliographical references.