text Bombay Oxford University Press 1949 Ing xii, 126 p.: ill.; Lampiran 19 cm. J. Sholto Douglas HYDROPONICS FARMING SYSTEMS 631.58(54) 631.58(54) DOU h INLIS000000000003870 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)