by Dr. Sofyan Syafri Harahap, M.S,Ac
Published by Bumi Aksara
Release year 2002
by Dr. Sofyan Syafri Harahap, M.S,Ac
Published by Bumi Aksara
Release year 1995
by Dr. Sofyan Syafri Harahap, M.S,Ac
Published by Bumi Aksara
Release year 2004