A. Hindasyah
1. University of Indonesia, Jl. Margonda Raya, Depok 16424, Indonesia
2. Center for Science and Advanced Materials Technology, National Nuclear Energy
Agency Indonesia
D. Sudiana
University of Indonesia, Jl. Margonda Raya, Depok 16424, Indonesia Indonesia
D. Gunawan
University of Indonesia, Jl. Margonda Raya, Depok 16424, Indonesia Indonesia