by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Suhardjo, dkk $6.00
by Iremonger, M.J. $6.00
by Dr. Dukut Respati Kastomo $11.00
by dr. Clifford Rose & dr. Paul Davies $6.00
by Aziz Alimul $7.00