Verano, Esther Ruth A. <br/><br/>
Response of Pechay (Brassica rapa) to varying concentrations of cosmos flower extract as insect pest control agent / 
Esther Ruth A. Verano 
 - City of Batac:  MMSU,  2022. 
 - xvi, 111 leaves :  28 cm 
<br/><br/> Thesis (BS Agriculture major in Horticulture) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City<br/> 
<br/><br/>Bibliography: Leaves 47-49