by Prof. Dr. A. Bari Saifuddin, MPH $6.00
by W.A.R. Thomson $6.00
by Hafield Cangara $7.00
by Husein Umar $11.00
by Frank W. Jobe, Lewis $6.00
by Elisabeth Indah, P., S.Kp $5.00
by Frans Gromang $9.00
by Dr. Najaat Hafidz $5.00
by Sandrine Deredel Rogeon $6.00
by Ir. Sugiarto, dkk $13.00
by Ir. Doli Siregar, M.Sc., FRICS., SVC $11.00
by - $13.00