Jiao, Marry Ann A.
Chemical analysis of soil in selected rice fields of Mocag, Baggao, Cagayan / - 2007. - vi, pages ; 28 cm.
CHEM 0044 / 2007 c.1
Chemical analysis of soil in selected rice fields of Mocag, Baggao, Cagayan / - 2007. - vi, pages ; 28 cm.
CHEM 0044 / 2007 c.1