Annual report 1990: worldwidw potato and sweet potato improvement International Potato center text Lima, Peru International Potato center 1990 xxxviii,218p.: ills; 23 cm KENTANG UBI JALAR REF.633.49(058) REF.633.49(058) INLIS000000000000483 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)