na YOGYA-02090000053000 20090227033114.0 ind 979-420-013-1 010-020900000053000 420 420 Jok E JOKO SUMITRO English for science and technology Djoko Sumitro Cet. 3 Yogyakarta Gadjah Mada University Press 1995 vii, 175 hlm ilus 21 cm Bahasa Inggris YOPDYOG 13-12-2007 3 94P0051353 95P0067896 97P0091451 2000P01809