استكشف مجموعتنا الشاملة من الكتب والمقالات والوسائط الرقمية وغيرها
Seven green spikes 1965-1972 : water and agricultural development /
Seven green spikes : water and agricultural development /
Water desalination using nocturnal radiation cooling /
Conservation and agriculture /
Reaping the green revolution : food and jobs for all /
Economics of water resources planning /
Geographic information systems in water resources engineering/
An outline of the history of agriculture in Egypt.
The elements of water supply engineering/
Water scarcity and security concerns in the Middle East /
Water supply and sewerage /
Agriculture in Al-Hassa Oasis Saudi Arabia : a review of development /
Water in the Islamic world : an imminent crisis : proceedings of the Conference on Water in the Islamic World, an imminent crisis, held in Khartoum, Sudan, 59 December, 1994 /
Analysis of educational competency and training needs of agricultural extension workers in the Eastern District of Saudi Arabia /
Water and wastewater technology/
Environmental quality and water development,
Fundamentals of salt water desalination /
Agricultural and Sand Incursion in The Al-Ahsa Oasis, Saudi Arabia /
Getting agriculture moving; how modern farming can provide a better life/
Le livre de l'agriculture = Kitab Al-Felahah/
The development of English agriculture, 1815-1873/
A richer harvest : new horizons for developing countries /
Plants, food, and people/
Rural Asia : challenge and opportunity /
World agriculture in disarray
Rural geography : an introductory survey,
Agricultural economics/
Land use in advancing agriculture /
Les fellahs de la presquile du Cap Bon (Tunisie) : etude de geographie sociale regionale /
Dictionnaire francais-arabe des termes agricoles /
Captain Swing /
Dictionary of agriculture terms : English - Arabic /
The agricultural development of Iran /
The agricultural systems of the world : an evolutionary approach /
Food enough or starvation for millions /
Le livre de l'agriculture = Kitab Al-Felahah /
Agriculture in the People's Republic of China : structural changes and technical transformation /
Raven, seek thy brother
Narrative of an expedition to explore the River Zaire, usually called the Congo, in South Africa, in 1816,
Life, space, and time; a course in environmental biology /
Concise encyclopedia of nature /
Arabia : sand, sea, sky /
Hammond nature atlas of America (wildlife species) /
Ring of bright water /
The history of Jamaica /
The Hamlyn junior encyclopedia of nature /
Science from an easy chair
North Arabian Desert archaeological survey, 1925-50 /
Walden, or, Life in the woods /
Theodore Roosevelt's America : Selections From The Writings of The Oyster Bay Naturalist /
Hammond nature atlas of America,