Practical research 2:  a guide in writing a quantitaive research/ 
Richard A. Hernandez; Altagrace Espina Buela. 
 - Mandaluyong City:  Books Atbp. Publishing Corp.,  2018. 
 - 274p. 
<br/><br/><label>ISBN: </label>9786214090945 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>TR 001.4 H4301 2018