Calmorin, Laurentina Paler, Dr. Reasearch and statistics with computer / Dr. Laurentina Paler-Calmorin - Mandaluyong City National Book Store c2010. - 610 p. ISBN: 971-08-7097-1 Subjects--Topical Terms: Research -- Methodology. Dewey Class. No.: Cir 001.42 C137 2010