Leakey, C. L. A. Problems of introducing and developing new crops - Kampala : Makerere University, (n.d.) - 4p. : 33cm. - RDR 18. Paper No.1- 47 are all bound in one book . Subjects--Topical Terms: CropsAgricultureLabourMarketing LC Class. No.: EAF PAM QTO HC12.M32 No.18