On July 28, 2017 at Faculty of Economics, Petra Christian University, Surabaya
On July 27, 2017 at Faculty of Economics, University of Islam Malang
On July 28, 2017 at Faculty of Economics, Petra Christian University, Surabaya
On July 27, 2017 at Faculty of Economics, University of Islam Malang
On December 5, 2016 at Faculty of Economics, Petra Christian University, Surabaya
On December 3, 2016 at Faculty of Economics, State University of Jakarta
On August 5, 2016, at Faculty of Economics Universitas Negeri Jakarta
On August 3, 2016, at Faculty of Economics Universitas Negeri Jakarta