Ravina, Elimar Alupay, <br/><br/>
Empowerment technologies :  teacher's resource material / 
Elimar Alupay Ravina. 
 - Manila, Philippines :   Rex Book Store, Inc.,  2022. 
 - xxii, 80 pages :  illustrations, tables ;  28 cm. 
<br/><br/><label>ISBN: </label>9786210438949 
<br/><br/><label>Dewey Class. No.: </label>004.6  / R256e