Alvarez, M.G.P. Forensic examination on questioned documents / Mary Grace P. Alvarez. - Second edition - Quezon City: ChapterHouse Publishing Incorporated, c2017. - 225 p.; 22 cm. Includes bibliographical references ISBN: 978-971-9647-17-1 Subjects--Topical Terms: Forensic Sciences.Criminal Investigation. Dewey Class. No.: GC 363.252 A473 2017