Branzuela, Stellla Karen M., author. Laboratory manual in questioned documents examination / Stellla Karen M. Branzuela, Joner C. Villaluz. - Quezon City : Wiseman's Books Trading, [2019]. - ii, 46 pages ; 28 cm. ISBN: 978-6-214-18102-5 (paperback) Subjects--Topical Terms: Writing -- Identification.Forgery. Dewey Class. No.: DFil 363.2565 / B735