Almajose, Gualberto S.; Mendoza, Edmar N.,  c1985. <br/><br/>
Manual On Elementary Surveying / 
Almajose, Gualberto S.; Mendoza, Edmar N. 
 - Philippines :  Royal Publishing House, Inc,  c1985. 
 - 266p. :  illus. ;  25.4 cm.