Duka, Cecilio D. <br/><br/>Reviewer for the Civil Service Examination:  Professional & Subprofessional Levels/  -- Manila:  Manila Review Institute, Inc,  2001. <br/><br/> Bibliographical <br/><br/><label>ISBN: </label>9718590072 <br/><br/><label>Dewey Class. No.: </label>Cir 351.3 D8985 2001