NELSON GINTING. MEDAN. Wakil Walikota Medan Ir. Akhyar Nasution MSi membuka secara resmi 2nd International Conference of Computer and Mathematic, Environment, Social Science, Healt, Science Agriculture, Engineering and […]
NELSON GINTING. MEDAN. Wakil Walikota Medan Ir. Akhyar Nasution MSi membuka secara resmi 2nd International Conference of Computer and Mathematic, Environment, Social Science, Healt, Science Agriculture, Engineering and […]