Serrano, Angelita Essentials of marketing / Angelita O. Camilar-Serrano - Intramuros, Manila : Unlimited Books, c2019. - x, 210 pages : illustration ; 25 cm. Includes bibliographical references. ISBN: 978-621-427-069-9 Subjects--Topical Terms: MARKETING. LC Class. No.: HF 5415 S47 2019