Dennis B. Roble, Ph.D, Laila S. Lomibao, Ph.D. and Charita A. Luna, Ph.D Differential Calculus: A Mathematical Creativity Development Approach Worktext - Mindshapers Co., INC. C2020 - 160pages ISBN: 978-621-406-297-3 Dewey Class. No.: Fil. 515 R571 2020