Simplified approaches to differential calculus / Jonathan B. Cabero [and three others] - 2nd edition - Mandaluyong City : National Book Store, c 2010. - v, 207 pages : illustration ; 23 cm. Bibliography : p.207 ISBN: 9710870882 Subjects--Topical Terms: Differential calculus.Differential calculus Problems, exercises, examinations. LC Class. No.: QA 308 S55 2010