Pono, Joylen C. A Study on the Quality of Cooking Used Oil by the Street vendors in Digos City. Joylen C. pono, Jay-ar C. Vergara and Katherine G. Adanza. - 46 pages; 28 cm. Subjects--Topical Terms: Education--Undergraduate Thesis.--Biolgical Science Dewey Class. No.: UT 0728 / P77