Senatin, Ruby B. <br/><br/>Essentials of english:english 101 workbook textbook  english 101 workbook textbook/ Ruby B. Senatin, Fe G. Centenera  - Mandauyong City:  National Book Store;  [2009]  - ix 120 pages  with Illustrations   22 cm. <br/><br/>Bibliography : pages 120 <br/><br/><label>ISBN: </label>9710869760 <br/><br/><label>LC Class. No.: </label>PE 1130.5  / .S4747 2009