by Ir. Sujamto $7.00
by Budi Rachmat $11.00
by Senjum H. Manulang, S.H $9.00
by Randy Gage $13.00
by $20.00
by - $9.00
by Drs. Robinson Tarigan $9.00
by Huffaker. C.B. & P.S. Messenger $7.00
by E. Martasudjita, Pr. $9.00
by Yusuf Kaloko $6.00
by Milton Chen, Ph.D. $6.00