De Belen, Rustico T. Research methods and thesis writing / Rustico T. De Belen. - First edition. - [Quezon City] : Wiseman's Books Trading, Inc, c2015. - vii; 369 pages ; 23 cm. Includes bibliographical references and index. ISBN: 978-971-9617-55-6 Subjects--Topical Terms: Research methods.Thesis writing.