Ortega, Cherryl N. Calculus II / Cherryl N. Ortega. - 3rd ed. - Quezon City, Phils. : Ellen Francisco-Fajardo Foundation, Inc., c2002. - v, 227 p. : ill.; 28 cm. ISBN: 0130918717 LCCN: 2001032734 Subjects--Topical Terms: Calculus. LC Class. No.: QA303 / .S76 2002 Dewey Class. No.: 515