Paler-Calmorin, Laurentina. Research methods and thesis writing / Laurentina Paler-Calmorin, Melchor A. Calmorin. - 2nd ed. - Philippines : Rex Bookstore, c2007. - xiv, 400p. : black and white illustrations ; 22 cm. Includes bibliography and index. ISBN: 9789712349270 Dewey Class. No.: GSL 001.4 C13 2007