Paler-Calmorin, Laurentina Research Methods and Thesis Writing by Laurentina Parel-Calmorin - 2nd ed. - Manila Rex Book Store, Inc. 2007 - xiii, 400 pages; 22 cm. includes appendix, bibliography and index ISBN: 978-971-23-4927-0 Dewey Class. No.: GR/Fil/001.42/C12