Alviar, Ashley King L. <br/><br/>
Soil quality evaluation of major soil series of Dumalneg, Ilocos Norte / 
Ashley King L. Alviar 
 - City of Batac:  MMSU,  2023. 
 - xiii, 84 leaves :  29 cm. 
<br/><br/> Thesis ( BS in Agriculture -Major in Soil Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City  
<br/><br/>Bibliography: leaves 61-65