TEHRAN – The 14th international oil and gas conference organized by Institute for International Energy Studies of Iran (IIES) was held in Tehran on Monday with the theme of “human resource management in petroleum industry; policies & best practices”.

The Secretary General of International Energy Forum (IEF) Noé van Hulst and the Energy Studies Department of OPEC’s Head Oswaldo Tapia delivered speech in the conference, SHANA News Agency reported