E.R. Pujiindiyati
Center for Isotopes and Radiation Application –National Nuclear Energy Agency,
Jl. Lebak Bulus Raya No.49, Jakarta 12440, Indonesia Indonesia
P. Sidauruk
Center for Isotopes and Radiation Application –National Nuclear Energy Agency,
Jl. Lebak Bulus Raya No.49, Jakarta 12440, Indonesia Indonesia