Padilla, Perfecto B., Jr. <br/><br/>
Simplified principles in mathematics and engineering sciences and allied subjects / 
Perfecto B. Padilla, Jr. 
 - xv, 432 pages ;  11 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil engineering--Problems, exercises, etc.<br/>Mathematics--Examinations, questions, etc.