Deat Abdulnaser,

Perhaps, you could take a look at ISO 14 001 Standards for private organizations and ISO 37 120 Standards for public organizations. 

Good luck for your research,

Juste

Hi Dr. Abdulnaser Ibrahim Nour; Here are few links which will help you in your research. Thanks 

http://inderscience.metapress.com/index/5qtn157t75rk4qxy.pdf

http://www.sciencedirect.com/science/article/pii/S0925527307003118

http://www.emeraldinsight.com/doi/abs/10.1108/14777830410540153

Thanks lot my dear Sarwan for your effort but if can send to me the papers since the journal not allow to see full papers till you paid the money.

https://www.globalreporting.org/information/sustainability-reporting/Pages/default.aspx

GRI has developed a format which is widely used globally. Please see the above likn for details.