by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ
$6.00

by WK
$11.00

by J. Guwandhi, SH.
$6.00

by dr. Kartono Mohamad
$9.00

by Prof. dr. Sidarta Ilyas, Sp.M
$13.00

by Dr. W. Herdin Sibuea., dkk
$7.00