by Iwan Prayogo Suryohadibroto $12.00
by G. Sexilla, Cousuelo, dkk $7.00
by Dr. Zakiah Daradjat, dkk $11.00
by DR. Andi Hamzah, S.H $7.00
by Dra. Sri Sundari HS., M.Pd $6.00
by Drs. Syaiful Bahri Djamarah $7.00
by Moch. Faisal Salam, SH., MH. $6.00
by Denny J. A $7.00
by Dra. L. Simanjuntak $9.00