by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Aziz Alimul $9.00
by $5.00
by Prof. dr. Arjatmo Tjokronegoro, dr. Sumedi Sudarsono $7.00
by Gordon, Gibson G. dan Paul Skett $7.00
by Iin Inayah $0.00