Soil conservation on a slopeland orchord at Sufen, Tahu, Mioli text China Council of Agriculture Ref. of China 1989 12 p. ill ; 26 cm POTATO UBI JALAR POTATO KENTANG SWEET POTATO CHINA 631.45 631.45 INLIS000000000001551 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)