Covar, Prospero R. <br/><br/>
Masagana/Margate system of planting rice: a study of an agricultural innovation 
by Prospero R. Covar 
 - Philippines  University of Philippines  1960 
 - Study Series N0. 5 .
<br/><br/> Community Development Research Council 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Innovation<br/>Agricultural
<br/><br/><label>Dewey Class. No.: </label>Z2318x914 P538