R. A. P. Dwijayanto Research Centre for Nuclear Reactor Technology, Research Organisation for Nuclear Energy, National Research and Innovation Agency, BJ Habibie Science and Technology Centre, Building No. 80, South Tangerang 15314, Indonesia Indonesia
A. W. Harto Department of Nuclear Engineering and Physics Engineering, Faculty of Engineering, Universitas Gadjah Mada, Jl. Grafika No. 2, Yogyakarta 55281, Indonesia Indonesia