Roble, Dennis B. Differential calculus: a creativity development approach work text/ Dennis B. Roble - Manila: Mindshapers co. Inc., c2020. - x, 160 pages : illustrations ; 25cm. Includes bibliographical references ISBN: 978-621-406-2973 Subjects--Topical Terms: 1. Differential calculus Dewey Class. No.: Fil. 515.63 R571d 2020