by Drs. G. Kartasapoetra $12.00
by Ir. Suharto $7.00
by Ali M.A. Rachman $7.59
by Drs. Joko Tri Prasetyo, dkk $9.00
by Clive Gray, Payaman Simanjuntak, dkk $12.00
by Silih Agung Wasesa $16.00
by M. Ghufron H. Kordi K $7.00