Hernandez, Richard A. <br/><br/>
Practical research 2:  a guide in writing quantitative research/ 
Richard A. Hernandez and Altagrace Espina Buela. 
 - Mandaluyong City:  Books Atbp. Publishing Corp.,  c2018. 
 - xvi, 274 pages :  illustrations ;  22 cm. 
<br/><br/>Includes appendices and bibliographical references.<br/> 
<br/><br/><label>ISBN: </label>978-6-214-09094-5 (pbk.)