by Widyasari Kumala $8.00
by Prof. Dr. Arjatmo Tjokronegoro, Ph.D., SpAnd. $6.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by Purbowaseso, Bambang $7.00
by Yayasan Essentia Medica $6.00
by Syaifuddin $12.00