San Diego, Gilbert C. National security: in a nutshell/ Gilbert C. San Diego - Quezon City: Wiseman's Books Trading, Inc., c2016. - xiii, 114 pages; 22 cm. Includes bibliographical references. ISBN: 978-971-9617-72-3 Subjects--Topical Terms: National security Dewey Class. No.: DFil 355 / Sa5n