S. Permana
Universitas Indonesia
Indonesia

Department of  Metallurgical and Materials, Faculty of Engineering, Universitas Indonesia, Depok 16424

J.W. Soedarsono
Universitas Indonesia
Indonesia

Department of  Metallurgical and Materials, Faculty of Engineering, Universitas Indonesia, Depok 16424

A. Rustandi
Universitas Indonesia
Indonesia

Department of  Metallurgical and Materials, Faculty of Engineering, Universitas Indonesia, Depok 16424

A. Maksum
Politeknik Negeri Jakarta
Indonesia

Mechanical Engineering Department, Politeknik Negeri Jakarta , Depok 16425

K.S. Widana
Center for Nuclear Minerals Technology
Indonesia

Center for Nuclear Minerals Technology, National Nuclear Energy Agency Indonesia, Pasar Jum’at, Jakarta 12440

K. Trinopiawan
Center for Nuclear Minerals Technology
Indonesia

Center for Nuclear Minerals Technology, National Nuclear Energy Agency Indonesia, Pasar Jum’at, Jakarta 12440

M. Anggraini
Center for Nuclear Minerals Technology
Indonesia

Center for Nuclear Minerals Technology, National Nuclear Energy Agency Indonesia, Pasar Jum’at, Jakarta 12440