Sadumiano, Christine Joy T.  <br/><br/>
Microbiological assessment of groundwater resources in Barangays Surgui and Pasil, Paoay, Ilocos Norte / 
Christine Joy T. Sadumiano, Angeline T. Baraoed. 
 - City of Batac :  MMSU ,   2024. 
 - xii, 81 leaves,   29 cm. 
<br/><br/> Thesis (BS in Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City <br/> 
<br/><br/>Bibliography : leaves 49-54