by Prof. Dr. S. Nasution, M.A. $7.00
by Adler Haymans Manurung $7.00
by Hiroyosi Kano $10.00
by Kosuke Mizuno, Indrasari Tjandraningsih, Rina Herawati $31.00
by Alfian $7.00
by - $13.00
by Radiks Purba $12.00
by Ahmad Suaedy $11.00
by Raldi Artono $18.00
by Hindah Muaris $7.00
by Yuri Amadin $13.00
by - $12.00