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| '--' || | || | ||    /   ||  | / \ || | '--' || 
| .--. || | \\_/ ||   | [] ||  | \_/ || | .--. || 
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`-`  `-`    `---`       -|_||   `---`   `-`  `-`  
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發送短信 : ANALYZING INSTITUTIONAL BARRIERS TO SUSTAINABLE DEVELOPMENT : THE CASE STUDY OF TEHRAN