North Africa Petroleum Exhibition & Conference (NAPEC 2020)
North Africa Petroleum Exhibition & Conference (NAPEC 2020), Oran, Algeria, web site: www.napec-dz.com/default.aspx?lg=en 15-18.
North Africa Petroleum Exhibition & Conference (NAPEC 2020), Oran, Algeria, web site: www.napec-dz.com/default.aspx?lg=en 15-18.