Rigonan, Wyne Marc G. <br/><br/>
Growth and yield performance of corn (Zea maize) var. purple sweet under varying population density applied with tree leaf extract / 
Wyne Marc G. Rigonan 
 - Laoag City:  MMSU,  2019. 
 - xiv, 85 leaves :  29 cm. 
<br/><br/> Thesis (MS in Crop Science) 
<br/><br/>Bibliography: leaves 51-52