Paz de Leon, Reneecilia B. <br/><br/>
URSafe with URS  : response to COVID-19 challenge-washable face mask production for frontliners 
/ Reneecilia B. Paz de Leon, Bernadette G. Castalone, and Jameson C. Martinez 
 - Rizal   : University of Rizal System  ,2021 
 - 125 pages;  illustrations 
<br/><br/>terminal report 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Face masks.