Yanuar HamzahJurusan Fisika FMIPA Universitas Riau Pekanbaru Indonesia
G-J van RooyenStellenbosch University Ecumenical Center for Leadership Development and Congregational Studies
G-J van RooyenStellenbosch University Ecumenical Center for Leadership Development and Congregational Studies
Lecturer
University of Stellenbosch
July 2008 - Present