by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by S. Soegijanto $11.00
by Prof. dr. H. Sidarta Ilyas, SpM $9.00
by dr. A.A.A.A. Kusumawardhani $5.00
by Ackley, Gardner $13.00
by $5.00
by Rumah Sakit Persahabatan $7.00