na INLIS000000000005087 20250106095953 250106 0 0010-0421000652 33 33 ECO ECONOMY and ecology in sustainable development Jakarta : Gramedia Pustaka Utama, 1993 xi, 259 p. ; 21 cm EKOLOGI EKONOMI-PERKEMBANGAN SUSTAINABLE. SPES Foundation 1539/PSEKP/2025