na YOGYA-02110000004847 20150701142354.0 ind 979-461-166-2 0010-021100000004847 YOPDYOG 330.9 330.9 Bro M Brown, Lester R. Menyelamatkan planet bumi Ed. 1, cet. 1 Jakarta ; Yayasan Obor Indonesia , 1994 xviii, 231 hlm. : ilus. ; 21 cm. Ekonomi - Keadaan Flavin, Christopher;Pastel, Sandra;Hermoyo YOPDYOG 90310-P/97 90311-P/97 90312-P/97