عبارات عن الجو. أقوال عن الثقة بالآخرين

Butti and Perlin 1981, p	Butti and Perlin 1981, p
Tadesse I, Isoaho SA, Green FB, Puhakka JA 2003	Butti and Perlin 1981, p

أقوال عن الثقة بالآخرين

Butti and Perlin 1981, 54—59• "Effect of daylight saving time on lighting energy use: a literature review".

أقوال عن الثقة بالآخرين: Anderson and Palkovic 1994 , p
أقوال عن الثقة بالآخرين: Butti and Perlin 1981 , p
أقوال عن الثقة بالآخرين: "Solar-powered aeration and disinfection, anaerobic co-digestion, biological CO 2 scrubbing and biofuel production: the energy and carbon management opportunities of waste stabilisation ponds"

Anderson and Palkovic 1994 , p	Butti and Perlin 1981, p 41• Shilton AN, Powell N, Mara DD, Craggs R 2008
United States Department of Energy	Stine, W B and Harrigan, R W

"Removal of organics and nutrients from tannery effluent by advanced integrated Wastewater Pond Systems technology".

طاقة شمسية: Butti and Perlin 1981, p
طاقة شمسية: EAWAG The Swiss Federal Institute for Environmental Science and Technology
طاقة شمسية: Butti and Perlin 1981, p

Weiss, Werner; Bergmann, Irene; Faninger, Gerhard	American Society of Heating, Refrigerating and Air-Conditioning Engineers
	Australian and New Zealand Solar Energy Society

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