Corn culture in the philippine islands
Sherard, S.H., Edwards, H.T.
Corn culture in the philippine islands - Manila 1912 - 1-35 p. - Culture Philippine Island Department of Public Instruction Bureau of Agriculture. Bulletin No. 23 .
Corn culture in the philippine islands - Manila 1912 - 1-35 p. - Culture Philippine Island Department of Public Instruction Bureau of Agriculture. Bulletin No. 23 .