by Aziz Alimul $11.00
by Dr. Handrawan Nadesul $11.00
by Tarwoto $9.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Dr. W. Herdin Sibuea $11.00
by Soerjono Soekanto $12.00