by Joseph J. Sullivan & Hadi Podo $11.00
by Gunawan Widjaja, A. Yani $7.00
by Masyhud Ali $28.00
by Lanny Soechan $6.00
by $11.00
by - $5.00
by Ir. Sujamto $12.00
by Ernest Dichter $9.00
by Machfud Ihsan $5.00
by Tim Redaksi Tatanusa, H. Suraji, SH. & Pularjono $30.00
by Mariasusai Dhavamony $11.00
by D. W. Bowett, QCLLD $16.00