by Tangoro, Dwi dkk $5.00
by Anton Margo $8.00
by Dr. Beate Jakob, Dr. Cristoph Benn & Dr. Erlinda Senturias $7.00
by Brooks $20.00
by Aziz Alimul $0.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00