1. Desertification : its causes and consequences
پدیدآورنده : compiled and edited by the Secretariat of the United Nations Conference on Desertification, Nairobi, Kenya, 92 August to 9 September, 7791
کتابخانه: (طهران)
موضوع : Congresses ، Desertification
رده :
GB
611
.
D45
1977
2. Desertification: its causes and consequences
پدیدآورنده : compiled and edited by the Secretariat of the United Nations Conference on Desertification, Nairobi, Kenya, 29 August to 9 September, 1977
کتابخانه: كتابخانه وزارت امور خارجه (طهران)
موضوع : Desertification - Congresses
رده :
{
1648
},
92d9fdd2caec6e23dbd0712ae9797750