APED. Advances in Petroleum Exploration and Development - 2016
v. 11 : no. 1 (2016: Mar. 31)
v. 11 : no. 2 (2016: June 30)
v. 12 : no. 1 (2016: Sept. 30)
v. 12 : no. 2 (2016:Dec. 31)