by NC. Madjid $6.00
by Ir. M. Najib, M.Sc., et al $7.00
by Prof. Dr. Mutawalli Sya'rawi $5.00
by Agus S. Gunadi $9.00
by $3.00
by Drs. Khaelany H.D., M.A. $6.00
by Syahrin Harahap $9.00
by Drs. H. Abu Ahmadi $11.00
by Kartohoesodo, Soehardo $7.00
by Cik Hasan Bisri $9.00
by Jatna Supriatna $40.00