by Prof. Mr. Dr. Sudargo Gautama
$7.00

by Wahyuni Mulyawati & Ilse Harahap
$13.00

by M. Yahya Harahap, S.H.
$7.00

by Dr. K.H. Didin Hafidhuddin, M.Sc dan Hendri Tanjung, S.Si., M.M.
$9.00

by Anand Krishna
$7.00

by Syaifuddin
$12.00