na INLIS000000000003870 Inggris 0010-0621000156 Hydroponics: the Bengal system J. Sholto Douglas Douglas, J. Sholto Bombay Oxford University Press 1949 xii, 126 p.: ill.; Lampiran 19 cm. 631.58(54) DOU h 631.58(54) HYDROPONICS FARMING SYSTEMS 164/KA/2021