by Aziz Alimul
$9.00

by Prof. dr. Arjatmo Tjokronegoro, dr. Sumedi Sudarsono
$7.00

by S. Wibowo
$13.00

by Prof. dr. D. Bachtiar Lubis, dr. Sylvia D. Elvira
$7.00

by dr. Hartono G., dr. Badriul H., dr. Hanifah O.
$9.00

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