by Muhammad Teguh $7.00
by Sadono Sukirno $18.00
by Hetifah $20.00
by Nurudin $9.00
by Mulyadi Subri $9.00
by Drs. Johansyah Lubis, M.Pd $7.00
by J. Suyuthi Pulungan $6.00
by Dr. Muhammad Ahmad Asyur $6.00