by Aziz Alimul $7.00
by Arthur Agatston $12.00
by dr. Moses Wong $7.00
by Lyle W. Morgan II, Ph.D., HMD $7.00
by Dr. Bahder Johan Nasution, S.H., S.M., M.Hum $7.00
by dr. Titi Lestari Sugito, SpKK(K) $6.00