na INLIS000000000000483 0010-1020000285 Annual report 1990: worldwidw potato and sweet potato improvement International Potato center, Lima Peru International Potato center Lima, Peru International Potato center 1990 xxxviii,218p.: ills; 23 cm REF.633.49(058) REF.633.49(058) KENTANG UBI JALAR. 492 492