by Prof. Dr. Nur Nasry Noor, M.P.H $6.00
by Drs. B. Boediono, M.Si $11.00
by Thabrani $9.00
by B. Sandjaja $9.00
by Susmayati, B.A., dkk $6.00
by Drs. Syaiful Bahri Djamarah $9.00