by Drs. H. Najamuddin $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Sagimun MD $7.00
by Marshall Sylver $13.00
by Erich Fromm $7.00
by Victor Lazarro $12.00
by E. Jaspan Kusuma $6.00
by Ir. Hatta Sunanta, B.Sc., MS $6.00
by Ir. Ari Wijayani Purwanto $0.00