• ICOGESS 2019

    Proceedings of the 1st International Conference of Global Education and Society Science, ICOGESS 2019,14 March, Medan, North Sumatera, Indonesia

    Suardin Gaurifa, Andrew P. Tobing, Mindo J. Pangaribuan, Wilem Bangun and Yan J.B. Parrangan

    14th Mar 2019