Ruel, Marie T. Research that matters : the impact of IFPRI's policy research / Marie T. Ruel & Howarth E. Bouis - Washington, D.C. : International Food Policy Research Institute (IFPRI) , 1998 - 488-494p. : 28 cm. - IFPRI Reprint no. 390 . Includes bibliographical references. Subjects--Topical Terms: Plant breedingZinc deficiency diseases in plants Gov. Doc. Class. No.: XZ IFPRI Rep-390