Balai Pengkajian Teknologi Pertanian Ungaran text Ungaran BPTP 2000 Ind 26 p. : ill. ; 23 cm. 26 p. : ill. ; 23 cm. Bibl.: p. 23 BALAI PENGKAJIAN TEKNOLOGI PERTANIAN UNGARAN IPOMOEA BATATAS SEED TECHNOLOGY 633.492-153 Br.Ind. 633.492-153BALp INLIS000000000012459 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)