notes | ۰۹:۵۴ - ۱۳۹۵/۲/۱۳ Development of railway transport; a necessity for national sustainable development
notes | ۰۸:۴۱ - ۱۳۹۵/۲/۱۸ The relationship between “Economy of Resistance” and urban sustainable development
notes | ۰۸:۳۱ - ۱۴۰۴/۶/۱۸ Budget shortfalls and fleet obsolescence; Clean Air Act enforcement at economic impasse