Nyayu Aisyah - Cycle (Germany)
Nugroho Adi Sasongko - Cycle (Germany)
Yoyon Wahyono - Cycle (Germany)
Martin Anda - Murdoch University, Centre for Water, Energy and Waste
Allan Trench - UWA Business School, Management and Organizations, The University of Western Australia (M261), 35 Stirling Highway, 6009 Perth, Australia