by Marihot. P. Siahaan, S.E. $16.00
by $5.00
by Titon Slamet Kurnia $6.00
by Dr. Soeparman, S.H., M.H. & Dra. Purwastuti $10.00
by Leden Marpaung, S. H. $13.00
by Prof. J. Supranto, M.A., APU $11.00
by Drs. Syaiful Bahri Djamarah $9.00
by Hermina Sutami $12.00