1. Soil and water conservation policies and programs: successes and failures
پدیدآورنده : edited by: Ted L. Napier, Silvana M. Napier, and Jiri Tvrdon
کتابخانه: (Semnan)
موضوع : ، Soil conservation- Government policy-- Congresses,، Water conservation- Government policy-- Congresses
رده :
S
662
.
2
.
S63
2. Soil and water conservation policies and programs. successes and failures
پدیدآورنده : edited by Ted L. Napier, Silvana M. Napier, Jiri Tvrdon
کتابخانه: Library and Documentation Center of Kurdistan University (Kurdistan)
موضوع : ، Soil conservationGovernment policyCongresses,، Water conservationGovernment policyCongresses
رده :
S
622
.
2
.
S63
3. soil and Water Conservation Policies and Programs: Successes and Faolures
پدیدآورنده : / Edited by Ted L. Napier, Silvana M. Napier, Jiri Tvrdon
کتابخانه: Central Library and Information Center of the University of Mohaghegh Ardabili (Ardabil)
موضوع : Soil Conservation _ Government Policy _ Congresses.,Water Conservation _ Government Policy _ Congresses.
رده :
S622
,.
2
.
S
63