Omongos, Mark Client N. <br/><br/>
Marosam water supply incorporated/ 
Omongos, Mark Client N.| Sebuco, Ronesil E.| Sumicad, Sammy R. 
 - Mati, San Miguel, Zamboanga del Sur;  J.H. Cerilles State College,  2020. 
 - 34p.  ill.