Fundamentals of research/ 
Josefina V. Estolas, Jose Q. Macaballug and Aberon V. Estolas 
 - Revised edition 
 - Manila:  EDMBMM,  1995. 
 - ix, 373 pages;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>LC Class. No.: </label>Fil LB 2369 .Es87 1995