Jurnal : Lingkungan & Pembangunan (Environment & Development), Volume 4-No.1-4 Desember 1984
Jurnal : Lingkungan & Pembangunan ( Environment & Development), Volume 4-No. 1-4 Desember 1984
Jurnal : Lingkungan & Development ( Environment & Development) , volume 4- No. 1-4 Desember 1984
Jurnal : Lingkungan & Development ( Environment & Development) , volume 4- No. 1-4 Desember 1984
Jurnal Lingkungan & Pembangunan ( Environment & Developmen), Volume 2-No. 3&4- Desember 1982
Jurnal Lingkungan & Pembangunan ( Environment & Development), Volume 2- No.3-4 Desember 1982